cámara de prueba de choque térmico

• Lab Companion TC Thermal Cycle vs TS Thermal Shock Test: Mechanisms of Thermo-Mechanical Failure and Equipment Parameter Correlation

  Aug 05, 2026

  Introduction: The Essence of High-Low Temperature Reliability Testing In the reliability validation of semiconductors, electronic packaging, automotive electronics, and industrial equipment, thermal cycling and thermal shock are the two most fundamental and commonly misused environmental test methods. Most design and validation engineers regard these tests as simple temperature rise-and-fall aging. In fact, the core value of temperature testing is not to simulate ambient temperature, but to expose latent defects through thermo-mechanical stress. Thermo-mechanical stress originates from the mismatch of Coefficients of Thermal Expansion (CTE) among different materials. When temperature changes, PCB substrates, copper traces, molding compounds, solder joints, and coating layers expand or contract at different rates. This mismatch generates shear and tensile stress at material interfaces. The faster the temperature transition and the larger the temperature differential, the higher the instantaneous stress. More cycles lead to accumulated fatigue damage and eventual structural or electrical failure. Lab Companion TC series thermal cycling chambers and TS series thermal shock chambers are designed based on two distinct stress-generation principles. Understanding the parameter-to-stress correlation helps engineers accurately predict failure modes and optimize product structural robustness. 1. Lab Companion TC Series Thermal Cycling: Accumulated Fatigue Stress Under Steady-State Temperature Transition 1.1 Working Principle and Stress Mechanism The Lab Companion TC series adopts a single-chamber integrated design. Test samples remain stationary in one chamber throughout the entire test. Heating and cooling systems work synchronously to deliver continuous, smooth, and linear temperature changes. The equipment supports multiple ramp rates from 5℃/min to 25℃/min, covering a temperature range of -55℃ to +125℃. This gradual temperature transition produces low-amplitude, periodic fatigue stress. In electronic assemblies, CTE mismatch between FR-4 PCB (14~17 ppm/℃), copper foil (16.5 ppm/℃), and epoxy molding compound (20~30 ppm/℃) creates cyclic shear stress at solder joints and layered interfaces. A standard thermal cycle consists of four phases:ramp up → high-temperature dwell → ramp down → low-temperature dwell. Each cycle represents a complete stress load-hold-unload process. After hundreds or thousands of repeated cycles, minor plastic deformation accumulates and eventually induces fatigue failure, which simulates natural temperature fluctuation in real service environments. 1.2 Typical Failure Modes Induced by Thermal Cycling TC thermal cycling simulates long-term ambient temperature alternation. Its slow, repetitive stress mainly exposes progressive fatigue defects: • Solder joint fatigue and intermittent open circuits: Cyclic shear stress causes micro-cracks at solder joints. Cracks propagate gradually with increasing cycles, resulting in poor contact or complete open circuits. This is the most common failure mode for electronic assemblies. • Component parameter drift and aging: Repeated thermal stress causes fatigue damage to metallization layers, passivation layers, and bonding wires. Symptoms include threshold voltage shift, increased leakage current, and resistance drift. For optical modules, cyclic micro-displacement leads to optical power attenuation. • Micro-cracking of composite structures: Multi-layer structures such as conformal coating, potting material, and adhesive interfaces generate cumulative interfacial stress. Micro-cracks form gradually and expand during long-term operation, causing sealing failure and structural delamination. 1.3 High Precision Temperature Control Ensures Test Repeatability Fatigue testing requires highly consistent stress loading in every cycle. Even minor temperature deviations will accumulate and cause large discreteness in final failure data. Lab Companion TC series features temperature fluctuation ≤0.5℃ and temperature deviation ±2℃. Equipped with self-developed adaptive PID control and intelligent temperature algorithm, the temperature overshoot is controlled below 0.8℃, achieving99.5% test repeatability. It ensures identical temperature profiles and stress loading in every cycle, providing reliable and comparable fatigue life data. 2. Lab Companion TS Series Thermal Shock: Instant Gradient Stress and Overload Damage 2.1 Structural Design and Shock Stress Mechanism Different from single-chamber thermal cycling, Lab Companion TS thermal shock series adopts a multi-chamber independent structure. The TS2 two-chamber model uses a high/low temperature dual-tank structure with a pneumatic lifting basket for fast sample transfer. The TS3 three-chamber model adds an independent test zone, realizing rapid hot/cold air switching without sample movement. Key technical parameters include: temperature switching time ≤10 seconds and temperature recovery time ≤5 minutes. The pre-heat chamber ranges from +60℃ to +200℃, and the pre-cool chamber ranges from -65℃ to -10℃. The maximum temperature differential exceeds 200℃. The ultra-fast temperature transition creates a severe internal temperature gradient. The sample surface expands or shrinks instantly, while the core material remains at the previous temperature. The tremendous temperature gradient generates ultra-high instantaneous stress, which far exceeds the stress level of gradual thermal cycling. 2.2 Typical Failure Modes Induced by Thermal Shock Thermal shock simulates extreme and sudden temperature changes, such as aerospace atmospheric traversal and rapid cross-region deployment of industrial equipment. It induces brittle and catastrophic failures within few cycles: • Interlayer delamination and debonding: Extreme instantaneous shear force breaks the bonding strength of PCB layers, packaging interfaces, and coating structures, causing obvious delamination after dozens of shocks. • Brittle fracture of solder joints: Unlike gradual fatigue cracking in thermal cycling, thermal shock leads to one-time brittle fracture when instantaneous stress exceeds the material tensile limit. Solder joints break rapidly without long-term accumulation. • Packaging cracking and structural rupture: Ceramic packaging, glass packaging, and MEMS sensitive structures cannot withstand extreme temperature gradients, resulting in package cracking, chip damage, and complete functional failure. 2.3 Independent Dual-Chamber Stabilization Ensures Shock Accuracy Thermal shock test accuracy depends entirely on stable high/low temperature standby status. Any temperature drift in preheated or precooled chambers will reduce the actual shock temperature difference and lead to undetected defects. Lab Companion TS series maintains independent thermal equilibrium in hot and cold chambers during standby. Every switching cycle delivers consistent temperature difference and precise impact stress, ensuring high repeatability and accuracy for military, automotive, and aerospace standard tests. 3. Comparative Analysis: Thermal Cycling vs Thermal Shock The essential difference between the two tests lies in how temperature changes, not the temperature range. The comparison below clearly distinguishes their stress characteristics and application scenarios: Comparison Item TC Thermal Cycling TS Thermal Shock Stress Type Periodic low-amplitude fatigue stress Instant high-gradient overload stress Loading Mode Gradual and continuous accumulation Sudden transition with strong impact Temperature Change Feature 5~25℃/min linear ramp rate Switching within 10 seconds Internal Temperature Gradient Low, uniform temperature inside sample Extremely high, surface-core temperature difference Main Failure Modes Solder fatigue, aging, parameter drift, micro-cracks Delamination, brittle fracture, package cracking Failure Occurrence Hundreds to thousands of cycles Visible within dozens of cycles Application Scenario Long-term service life evaluation Extreme condition resistance verification Applicable Standards IEC 60068-2-38, GB/T 2423.22 IEC 60068-2-14, MIL-STD-810H, GJB 150.5A In short, TC thermal cycling is a gradual fatigue screening method for long-term reliability, while TS thermal shock is a strong impact screening method for structural robustness. 4. Engineering Guidance: Failure Prediction and Product Optimization Temperature test reliability depends on matching test methods with failure mechanisms. Based on Lab Companion TC and TS equipment characteristics, engineers can conduct targeted product optimization. 4.1 Optimization Based on Thermal Cycling Test If solder cracking or performance drift occurs within 500 cycles, the product has insufficient thermal fatigue resistance. Optimization suggestions include upgrading solder alloy formula, optimizing solder geometry, and improving CTE matching between PCB and components. Products that stably pass 1000+ cycles have qualified fatigue life. Appropriately reducing the temperature ramp rate can further improve long-term service stability. 4.2 Optimization Based on Thermal Shock Test Delamination or package cracking within 50 shocks indicates serious structural anti-shock deficiency. Engineers should adopt low-CTE packaging materials, add stress relief structures, and optimize interfacial bonding processes. Products surviving 100+ thermal shocks meet high-reliability requirements for aerospace, military, and automotive applications. 4.3 Recommended Combined Test Strategy For full-dimensional reliability evaluation, Lab Companion recommends thermal shock first, then thermal cycling. Thermal shock quickly eliminates structural and process defects. Subsequent thermal cycling verifies long-term fatigue life. This combination covers both extreme environmental adaptability and long-duration service reliability, providing a complete and standardized validation solution for high-reliability electronic products.

  ETIQUETAS CALIENTES : Cámara de prueba de choque térmico Cámara de prueba de ciclos de temperatura Cámara de prueba de temperatura y humedad fabricantes de cámaras de pruebas ambientales cámara de prueba de choque térmico cámara de prueba de temperatura ambiente

  LEER MÁS
• Lab Companion TC Series Rapid Temperature Change Chamber: 1℃/min~25℃/min | The Truth of CPO Thermal Cycling Rate

  Aug 01, 2026

  1. CPO Thermal Cycling Pain Points: Time Cost Analysis Based on GR-468 Standard 1.1 Mandatory GR-468-CORE Test Requirements Before mass production and export, all CPO (Co-packaged Optics) devices and high-speed optical modules must pass GR-468-CORE temperature cycling reliability test. The standard defines strict test parameters: temperature range from -40℃ to +85℃, continuous temperature change rate ≥10℃/min, and a minimum dwell time of 10 minutes at both high and low temperatures. The required cycle times vary by application scenario: 100 cycles for indoor optical modules and 500 cycles for outdoor optical modules. Most manufacturers overlook how critical constant temperature ramp rate is to test efficiency, project delivery, and certification validity. A clear time comparison between conventional chambers and qualified rapid temperature change chambers is shown below (500 outdoor standard cycles): Conventional Chamber (1.2℃/min): A full cycle includes heating (-40℃→85℃), 10 min high-temperature soak, cooling (85℃→-40℃), and 10 min low-temperature soak. The heating and cooling process takes approximately 208 minutes. With soaking time included, one cycle lasts nearly 4 hours. Total test duration for 500 cycles reaches 2000 hours (83 days). Lab Companion Rapid Chamber (10℃/min): The same 125℃ temperature difference only requires 25 minutes for heating and cooling. With 20 minutes of soaking, one cycle takes about 45 minutes. The total duration for 500 cycles is only 375 hours (15.6 days). The gap between 83 days and 15.6 days directly determines R&D progress, mass production scheduling, and operational cost control for optical component projects. 1.2 Common Procurement Misunderstanding Many buyers select thermal chambers merely based on wide temperature ranges (e.g., -70℃~150℃). However, conventional temperature and humidity chambers are not compliant with GR-468 dynamic cycling. Traditional chambers require 90 to 120 minutes to cool down from ambient to the lowest set point. Even alternating models only deliver an average rate of around 1℃/min with non-linear speed decay. Such equipment is acceptable for static high/low temperature storage and cold-start tests, but it leads to excessive power consumption, extremely long test cycles, and invalid certification data for GR-468 cycling tests. 2. Three Types of Thermal Cycling Chambers: Performance Comparison Three mainstream chamber types are widely used in optoelectronic reliability testing, with major differences in ramp stability, linear control, certification compatibility, and loaded performance. 2.1 Traditional Non-Linear Temperature Chamber Most standard commercial chambers feature a temperature range of -70℃~+150℃, with nominal rates of ≥3℃/min heating and ≥1.2℃/min cooling. The core defect is unbalanced and non-linear rate performance. Limited by refrigeration power, the cooling rate is only half of the heating rate or lower. The published rate is merely an average value — the actual speed drops sharply when approaching the target temperature, resulting in unstable slope control. Applicable scenarios: Static high/low temperature storage, thermal aging, and cold-start tests. Not applicable: GR-468 temperature cycling, ESS environmental stress screening, and all tests requiring constant linear ramp rates. 2.2 Lab Companion Standard TC Series (5~15℃/min) Lab Companion TC series rapid thermal cycling chambers are customized for CPO and high-speed optical component reliability verification. The temperature range covers -70℃~+150℃ with 20~98% RH humidity control. Multiple linear ramp options (5℃/min, 10℃/min, 15℃/min) fully meet GR-468 standard requirements. The chamber supports linear / non-linear mode switching. In linear mode, the full-process ramp deviation is controlled within ±0.5℃/min without speed decay. The TC-1000 model maintains a stable 15℃/min linear rate under 100kg loaded conditions, with internal temperature deviation ≤±2.0℃. Applicable scenarios: GR-468 certification cycling, optical module ESS batch screening, and reliability tests requiring precise temperature slope control. 2.3 Lab Companion High-End TC/TH Series (20/25℃/min) For high-end 800G / 1.6T CPO silicon photonic engines and high-acceleration stress screening demands, Lab Companion TC/TH upgraded models support 20℃/min and 25℃/min linear ramp rates, exceeding the basic 10℃/min GR-468 threshold. It achieves ±0.5℃ temperature fluctuation and ±2℃ temperature deviation. Optional liquid nitrogen auxiliary refrigeration further boosts the maximum cooling rate to 30℃/min. All models are CE certified for global export compliance. The product lineup covers 180L~1000L volumes. The upgraded TC-600-20 and TC-1000-20 stably maintain 20℃/min linear ramps even in 1000L large-capacity chambers for high-volume batch testing. Applicable scenarios: HASS high-acceleration stress screening, premium CPO module export certification, and high-efficiency mass production screening. 2.4 Full Parameter Comparison Table Parameter Traditional Non-Linear Chamber Lab Companion TC (5~15℃/min) Lab Companion TC/TH (20/25℃/min) Temperature Range -70℃~+150℃ -70℃~+150℃ -70℃~+150℃ Humidity Range N/A / 20~98%RH 20~98%RH 20~98%RH Cooling Rate ≥1.2℃/min (average, non-linear) 5~15℃/min (linear optional) 20/25℃/min (linear optional) Heating Rate ≥3℃/min (average, non-linear) 5~15℃/min (linear optional) 20/25℃/min (linear optional) Ramp Mode Non-linear (average only) Linear / Non-linear switchable Linear / Non-linear switchable Temperature Fluctuation ±1℃ (typical) ±0.5℃ ±0.5℃ Temperature Deviation ±3℃ (typical) ±2℃ ±2℃ LN2 Auxiliary Cooling No Optional (max 30℃/min) Optional (max 30℃/min) CE Certification Not standard Yes Yes GR-468 Compliance No (invalid data) Yes Yes (high-speed screening) 3. CPO Component Rate Selection Guide 3.1 Passive Coupling Components: 10℃/min Linear Rate Passive CPO components (grating couplers, edge couplers, AWG) feature low thermal mass and no active heat-generating chips. A 10℃/min linear ramp fully satisfies GR-468 minimum requirements. For R&D process verification, 10℃/min steady linear change avoids excessive thermal stress interference, ensuring accurate and repeatable test results with optimal cost performance. 3.2 1.6T Silicon Photonic Engines: ≥15℃/min Linear Rate 1.6T high-speed silicon photonic engines integrate MZI modulators, Ge photodetectors, and multi-layer composite materials. Different thermal expansion coefficients induce obvious thermal stress under rapid temperature cycling. High packaging density and concentrated heat sources demand extremely stable ramp control. ≥15℃/min constant linear rate is strongly recommended. Lab Companion TC series ensures ultra-stable linear variation. The TC-1000 model maintains precise 15℃/min ramps under 100kg load, eliminating batch-to-batch data deviation for high-end silicon photonics reliability validation. 3.3 Export Certification: Linear Stability & Data Traceability A critical certification detail frequently ignored: GR-468 requires continuous ramp rate ≥10℃/min throughout the full cycle, not merely an average rate. Industry Case: A photonics manufacturer used a non-linear chamber labeled “12℃/min average rate” for GR-468 cycling. During certification review, the authority rejected all test data. The actual curve showed the rate dropped below 3℃/min near target temperatures, failing the continuous rate clause. The company had to restart 500 cycles, causing 3 months of project delay. All Lab Companion TC series support full linear ramp mode with deviation controlled within ±0.5℃/min, fully complying with GR-468 continuous rate regulations. The built-in controller records full-process temperature curves and fault logs, supports Ethernet data upload, and provides full data traceability for global certification audits. 4. Conclusion CPO GR-468 chamber selection should focus on true linear ramp capability, loaded stability, and certificated data validity, rather than temperature range alone. Traditional non-linear chambers lead to extremely long cycling durations and high project risks. Lab Companion TC series provides fully linear ramp rates from 5℃/min to 25℃/min, drastically shortening thermal cycling periods and improving batch testing efficiency. With ±0.5℃ ultra-low fluctuation, ±2℃ precise uniformity, CE certification, and stable loaded performance, Lab Companion TC/TH chambers fully cover R&D verification, mass screening, and global export certification for CPO passive components and 1.6T high-speed silicon photonic engines, serving as the reliable solution for standardized CPO thermal reliability testing.

  ETIQUETAS CALIENTES : Cámara de prueba de ciclos de temperatura cámaras de prueba de cambio rápido de temperatura Cámara de prueba de temperatura y humedad fabricantes de cámaras de pruebas ambientales cámara de simulación ambiental cámara de prueba de choque térmico

  LEER MÁS
• Lab Companion CPO High & Low Temperature Aging Chamber – Ultimate Solution for Silicon Photonics Long-Term Reliability Validation

  Jul 31, 2026

  1. Industry Requirements & Value of CPO Silicon Photonics Aging Test Silicon photonics (SiPh) technology integrates optical waveguides, high-speed modulators, and photodetectors on a single silicon chip. Featuring high integration, low power consumption, and excellent mass-production compatibility, it has become the core technical pillar for Co-packaged Optics (CPO). As CPO technology accelerates from R&D to large-scale commercialization, long-term operational reliability has become a critical evaluation indicator for global SiPh/CPO components. High and low temperature aging testing is a mandatory and core procedure to verify the long-term reliability of CPO devices. By operating components continuously under extreme high and low temperature environments, the test accelerates material aging and exposes potential defects in materials, packaging and manufacturing processes. It effectively screens early failure samples and ensures consistent quality and service life of mass-produced products, serving as an indispensable quality control step for global CPO industrial production. SiPh/CPO aging tests impose extremely strict and specialized requirements on test equipment: • Long-duration continuous operation: Aging tests typically run for hundreds to thousands of hours. Zero downtime is required throughout the entire test cycle to avoid invalid data and sample loss. • Precise & uniform temperature control: Tiny temperature fluctuations or chamber temperature deviations will cause inconsistent aging effects and inaccurate test results. • High-volume batch testing capability: Mass production quality screening demands large-capacity chambers to support batch sample aging and improve testing efficiency. • Safe powered aging support: Dynamic powered aging requires professional safety protection and reserved test interfaces. Lab Companion, a professional environmental test equipment brand originating from China’s advanced manufacturing base, focuses on high-reliability test solutions for the global optoelectronic and semiconductor industries. Targeting the exclusive pain points of CPO silicon photonics aging tests, we have developed a dedicated high and low temperature aging chamber series. With ultra-stable long-term operation, high-precision temperature control, and comprehensive safety protection, our equipment provides standardized and reliable reliability verification solutions for global CPO manufacturers. 2. Core Advantages of Lab Companion CPO Dedicated Aging Chamber Developed based on mature industrial-grade test platform architectures and optimized specifically for long-cycle CPO aging scenarios, the Lab Companion aging chamber delivers outstanding performance in continuous operation stability, temperature uniformity, batch testing capability and operational safety, fully complying with international SiPh/CPO reliability test standards. 2.1 7×24h Stable Continuous Operation, Suitable for Ultra-Long Aging Cycles Long-term uninterrupted operation is the most fundamental performance requirement for CPO aging test equipment. Lab Companion aging chambers adopt premium-grade core components and optimized industrial control logic, supporting 7×24-hour continuous stable operation without failure, fully meeting thousand-hour-level long-term aging verification requirements. Cooling System: Equipped with internationally renowned brand compressors, high-efficiency heat exchangers and eco-friendly refrigerants. The optimized cascade refrigeration structure ensures stable cooling efficiency across the full temperature range, with no performance attenuation at low temperatures. Multiple protective mechanisms including compressor overheating, overcurrent, high/low pressure protection ensure long-term stable operation of the cooling system. Heating System: Adopts corrosion-resistant, high-efficiency stainless steel finned heating tubes with uniform heating performance. Independent dual-circuit over-temperature protection automatically cuts off power and triggers alarms once abnormal temperatures occur, providing double safety guarantees for samples and equipment. Control System: Equipped with industrial-grade high-performance controller with strong anti-interference capability and stable long-term operation. The intuitive color touch screen supports multi-segment program editing and ultra-long cycle operation setting. Built-in full-condition self-diagnosis function monitors the real-time status of all core components and gives early warnings of abnormal faults. 2.2 High-Precision Temperature Control, Ensuring Consistent Batch Aging Results CPO silicon photonic devices are highly sensitive to ambient temperature. Consistent temperature stability and uniformity are critical to ensure repeatable and credible test data. Lab Companion achieves industry-leading temperature control accuracy through PID algorithm optimization and CFD airflow simulation design. The equipment achieves temperature fluctuation of ±0.5℃ and temperature uniformity ≤±2℃, ensuring a consistent temperature field in the entire chamber and equivalent aging status for all samples. The adjustable-speed high-efficiency centrifugal fan realizes uniform airflow distribution without dead angles, avoiding airflow impact on precision optical components while maintaining temperature uniformity. Covering a wide temperature range of -70℃ to +150℃, the chamber fully supports mainstream international CPO aging conditions, including -40℃ low-temperature aging, 85℃ standard aging, and 125℃ high-temperature accelerated aging, covering all R&D and mass production test scenarios. 2.3 Modular Large-Capacity Design, Optimized for Batch Mass Production Testing To meet the high-volume testing demands of CPO industrial mass production, Lab Companion provides multiple chamber volume specifications, ranging from small-size laboratory models to large-scale industrial models, adapting to diverse test volume requirements. The large-capacity inner chamber supports simultaneous aging of large batches of silicon photonic chips, CPO packaged devices and high-speed optical modules, effectively improving test throughput and reducing unit testing costs. Equipped with adjustable multi-layer stainless steel sample racks, the chamber space can be flexibly arranged according to sample dimensions and quantities to maximize space utilization. The corrosion-resistant stainless steel structure adapts to long-term extreme temperature operation. Standard sealed test ports are reserved for power supply lines and signal monitoring cables, supporting dynamic powered aging and real-time online monitoring. The professional sealing structure ensures no temperature loss after wiring, and customized test port solutions are available to meet personalized test requirements. 2.4 Full-Range Safety Protection, Supporting Unattended Long-Term Operation Long-cycle aging tests are mostly performed in unattended scenarios, which requires comprehensive equipment safety and emergency response capabilities. Lab Companion builds a complete intelligent safety protection system to secure samples and equipment throughout the test process. It is equipped with independent over-temperature and low-temperature protection, automatic power-off protection for heating/cooling modules, and multiple mechanical and electrical protection functions including overcurrent, short circuit, leakage, fan overload and pressure abnormal protection. The high-strength electrostatic spray metal shell ensures structural stability and electrical safety for long-term industrial operation. The intelligent power-off memory function automatically records test progress and resumes testing from the breakpoint after power recovery, effectively preventing test failure and sample waste caused by sudden power interruption. Remote alarm and real-time fault reminder functions enable timely problem handling for unattended operation. 3. Professional Global CPO Aging Test Solution As a high-end environmental test equipment brand rooted in China’s advanced manufacturing industry, Lab Companion provides global customers with one-stop customized CPO reliability test solutions, covering model selection, scheme customization, technical guidance and full-cycle after-sales support. Our professional technical team provides tailored model selection suggestions according to customers’ sample specifications, international test standards, batch scale and cycle requirements. We support personalized customization of sample fixtures, test ports, power supply systems and data acquisition systems to help customers build standardized and efficient CPO test systems. 4. Brand Strength & Global After-Sales Service System Lab Companion is a premium environmental test equipment brand manufactured in China, with years of independent R&D and industrial manufacturing experience in the field of reliability testing. Adhering to China’s high-standard manufacturing philosophy, our product portfolio covers high-low temperature chambers, temperature & humidity chambers, thermal shock chambers and professional aging chambers, widely recognized in global semiconductor, optoelectronics, automotive and aerospace industries. R&D & Quality Assurance: Rooted in China’s sophisticated optoelectronic testing equipment manufacturing ecosystem, we maintain continuous technical iteration. All core components adopt international first-tier brands. Every equipment unit undergoes strict factory calibration and long-term operation aging tests, ensuring stable and consistent quality that meets global industrial standards. Global Technical Support & After-Sales Service: For overseas customers, Lab Companion providesfull-process online technical support, including remote equipment installation guidance, operational training, daily maintenance guidance, fault diagnosis and remote troubleshooting. We deliver efficient, professional and standardized after-sales services to ensure stable equipment operation for global users, without regional service barriers. 5. Conclusion High and low temperature aging testing is the core guarantee for the long-term reliability and large-scale commercialization of CPO silicon photonic devices. With 7×24h uninterrupted stable operation, ±0.5℃ precise temperature control, ≤±2℃ excellent temperature uniformity, large-volume batch testing capability and full intelligent safety protection, Lab Companion China-made CPO dedicated aging chamber fully adapts to global industrial testing standards. Lab Companion will continue to focus on the global silicon photonics and CPO track, relying on China’s advanced manufacturing advantages to continuously optimize product performance and global service capabilities. We are committed to providing global optoelectronic enterprises with more professional and reliable reliability test solutions, empowering the high-quality development of the global CPO industry.

  ETIQUETAS CALIENTES : Horno industrial cámaras de prueba de cambio rápido de temperatura fabricantes de cámaras de pruebas ambientales cámara de simulación ambiental cámara de prueba de choque térmico High Temperature Aging Room

  LEER MÁS
• Lab Companion CPO Temperature & Humidity Test Chambers: Reliable Environmental Testing Solutions for Co-packaged Optics Reliability Validation

  Jul 29, 2026

  1. CPO Technology Booms, Making Thermal Reliability Testing Indispensable Driven by the explosive growth of cloud computing, AI computing power and high-bandwidth data center construction, traditional pluggable optical modules are gradually reaching their physical limits in power consumption, integration density and signal integrity. As a next-generation high-speed optical interconnection technology, Co-packaged Optics (CPO) integrates optical engines and switching chips on a single substrate, significantly shortening electrical transmission paths, reducing power consumption, and boosting integration and transmission performance. It has become a mainstream technical route for upgrading global optical communication systems. CPO devices integrate multiple precision optoelectronic components including lasers, modulators, optical waveguides, photodetectors and driver chips. Composed of diverse materials with different thermal expansion coefficients, CPO products are extremely sensitive to temperature fluctuations. Extreme high and low temperatures and cyclic thermal changes may cause internal thermal stress, leading to reduced optical coupling efficiency, solder joint failure, package cracking, laser power attenuation and material embrittlement. Therefore, rigorous thermal reliability testing is a mandatory procedure throughout CPO R&D, qualification and mass production to ensure stable operation in complex service environments. As a leading environmental test equipment manufacturer based in China, Lab Companion focuses on high-precision environmental simulation technology and serves the global optical communication industry. With in-depth insight into CPO industry testing standards and pain points, we have developed dedicated temperature and humidity test chamber series, providing standardized and customized thermal reliability testing solutions for global CPO manufacturers and research institutions. 2. Core Performance & Product Advantages of Lab Companion CPO Test Chambers Rooted in China’s advanced intelligent manufacturing system, Lab Companion’s full-series environmental test equipment covers standard temperature cycling, constant temperature and humidity, and rapid temperature change models. The product portfolio fully meets the full-stage testing requirements of CPO devices, from laboratory R&D verification and sample qualification to mass production quality inspection, complying with mainstream international standards such as JEDEC and Telcordia GR-468. 2.1 Ultra-wide Temperature Range & High-precision Control for Strict Compliance Lab Companion CPO test chambers feature a -70℃ to +150℃ ultra-wide temperature range, fully covering the conventional operating temperature (-40℃ to +85℃) and storage temperature (-55℃ to +125℃) of CPO optical devices. The extended temperature margin supports extreme environmental simulation and advanced reliability verification for next-generation CPO products. Equipped with optimized air duct structure and intelligent PID temperature control algorithm, the equipment achieves temperature fluctuation of ±0.5℃ and temperature uniformity ≤±2℃. The uniform and stable internal thermal field ensures high consistency and repeatability of test data, effectively adapting to the high-precision testing demands of precision optoelectronic components such as CPO silicon optical chips and co-packaged assemblies. 2.2 Diversified Product Series for Customized Testing Scenarios Lab Companion launches three core product series to match differentiated CPO testing requirements, balancing testing efficiency, accuracy and cost performance: TS Standard Temperature Test Chamber: A cost-effective and stable basic model, designed for conventional high/low temperature storage and temperature cycling tests. It supports daily mass production quality inspection and basic reliability screening, serving as the standard equipment for routine CPO qualification tests. PS/PL Constant Temperature & Humidity Chamber: Adds precise humidity simulation functions on the basis of temperature control, supporting classic industry tests such as 85℃/85%RH double 85 aging test. It effectively verifies the moisture resistance, corrosion resistance and insulation stability of CPO packaging materials under high-temperature and high-humidity conditions, evaluating long-term service reliability. TH Rapid Temperature Change Chamber: Adopts high-efficiency refrigeration and heating system, with a maximum nonlinear temperature change rate of 15℃/min. It greatly shortens thermal cycle testing time, accelerates product stress screening and R&D iteration, and is ideal for rapid reliability verification in the CPO product development stage. 2.3 Multi-level Safety Protection for High-value Sample Testing CPO integrated optoelectronic devices are sophisticated and high-value, requiring extremely high safety and stability of test equipment. All Lab Companion test chambers are equipped withcomprehensive multi-dimensional safety protection mechanisms, including over-temperature, over-current, over-voltage, compressor overheating and fan overload protection. An independent redundant over-temperature protector is configured to automatically cut off power and trigger an alarm in case of abnormal temperature, completely avoiding sample damage and test failure. The equipment supports 7×24-hour unattended continuous operation, fully adapting to long-term aging tests and high-frequency cyclic tests, reducing manual operation costs and improving overall testing efficiency. 3. Global Industry Application & Customized CPO Testing Solutions Benefiting from China’s complete optical communication industry chain and advanced manufacturing capabilities, Lab Companion has long served global optical communication enterprises, accumulating rich practical experience in CPO and silicon photonics testing. Our test chambers are widely used in R&D laboratories and production lines of optical modules, optical chips and CPO integrated components worldwide. To adapt to the exclusive testing characteristics of high-integration CPO devices, Lab Companion provides targeted customized solutions. Reserved sealed test holes support real-time optical power monitoring and optical fiber lead-out without disturbing internal temperature stability. The programmable temperature curve function allows users to set arbitrary temperature rise/fall rates, holding time and cycle times according to international test standards, realizing fully automated and traceable testing. With high-quality core components and a mature control system, our equipment maintains long-term stable operation, meeting the stringent requirements of long-duration high-temperature aging and multi-cycle thermal reliability testing for high-end CPO products. 4. Brand Strength & Global After-sales Service System Lab Companion is a high-end environmental test equipment brand originating from China, focusing on the R&D, production and customization of environmental simulation test equipment. Leveraging China’s superior manufacturing foundation and technological R&D advantages, our product lineup covers temperature cycling, constant temperature and humidity, rapid temperature change, thermal shock and aging test equipment, widely recognized in global optoelectronics, automotive, aerospace and biomedical industries. In terms of quality control, Lab Companion implements a strict full-process quality management system. All core components are sourced from international first-class brands. Every piece of equipment undergoes factory calibration and aging testing to ensure stable performance and consistent test accuracy, meeting international laboratory certification and mass production testing standards. For global customers, Lab Companion provides standardized full-lifecycle online services. Considering overseas regional characteristics, we do not provide on-site door-to-door maintenance services. Instead, we deliver professional remote technical support including equipment installation guidance, operation training, fault diagnosis, software debugging and regular maintenance guidance. We also support equipment calibration and customized equipment development services to help global customers meet industrial testing and certification requirements efficiently. 5. Conclusion CPO technology continues to lead the upgrading of the global high-speed optical interconnection industry, putting forward higher requirements for the accuracy, stability and efficiency of thermal reliability testing. Originating from China’s high-end intelligent manufacturing sector, Lab Companion empowers global CPO industry innovation and mass production with reliable test equipment and professional technical services. Moving forward, Lab Companion will continue to focus on optical communication reliability testing technology, keep optimizing product performance and customized solutions, and provide global customers with more efficient and standardized environmental testing support, promoting the sustainable development of the global CPO optical communication industry.

  ETIQUETAS CALIENTES : Cámara de prueba de ciclos de temperatura cámara de prueba de humedad cámaras de prueba de cambio rápido de temperatura Cámara de prueba de temperatura y humedad fabricantes de cámaras de pruebas ambientales cámara de prueba de choque térmico

  LEER MÁS
• Lab Companion Thermal Cycling Chamber for Optical Module Performance Testing

  Jul 27, 2026

  1. Product Introduction Manufactured by Guangdong Hongzhan under the brand Lab Companion, thermal cycling test chambers are specially developed for reliability testing of optical communication chips and optoelectronic components with various package forms, including optical transmit modules, optical receiver assemblies, memory chips, MCUs and other semiconductor devices. Lab Companion offers a full range of chamber internal volume options, delivering a stable temperature environment with excellent uniformity for high-low temperature alternating tests. It provides a complete turnkey reliability verification solution for optical modules under extreme temperature conditions. 2. Standard Optical Module Testing Procedure 2.1. Sample MountingFix the DUT optical modules onto dedicated test fixtures and carriers for stable placement and accurate temperature sensing. 2.2. Temperature Profile SetupProgram test temperature ranges via the Lab Companion thermal cycling chamber. Standard setpoints such as 0°C, 40°C and 70°C are commonly used; fully customizable high/low temperature limits are available per customer specifications. 2.3. Live Powered TestingPower up the optical modules to simulate real-world operating loads and working conditions. 2. 4. Synchronous Parameter MeasurementLink the chamber with optical test instruments to synchronously measure key metrics such as receiving sensitivity and optical output power, so as to evaluate device performance under rapid temperature variations and extreme thermal stress. 2. 5. Data Analysis & ValidationCompile and analyze full-cycle test data to verify whether the optical modules consistently meet design specifications across different temperature levels and repeated thermal cycles. 3. Comparative Advantages: Lab Companion TS Series vs. Conventional Thermal Cycling Chambers Item Lab Companion TS Series Thermal Cycling Chamber Traditional Standard Thermal Cycling Chamber Temperature Range -60℃ ~ +150℃ ultra-wide temperature span to support wide-temperature qualification of advanced chips Mostly limited to -40℃ ~ +120℃, insufficient for wide-temperature component validation Temperature Ramp Rate Linear adjustable 5~25℃/min, fully programmable heating/cooling slopes for high test throughput Max ramp rate ≤3℃/min, slow temperature transition leading to long testing cycles Temperature Accuracy & Uniformity Temperature accuracy ±1.0℃, superior chamber uniformity, CNAS traceable calibration available Large temperature deviation inside the chamber, poor uniformity and obvious thermal drift during long-term cycling DUT Direct Temperature Monitoring Accepts external T/K-type thermocouples to measure actual surface temperature of chips/modules directly Only measures ambient air temperature inside the chamber, unable to capture real device core temperature Thermal Shock Function 3-chamber independent heat storage structure; shock transition time ≤12 seconds. One unit performs both thermal cycling and thermal shock tests Only slow thermal cycling function; incapable of rapid thermal shock stress screening Control System Multi-segment programmable profiles with adjustable cycle counts, dwell time and ramp rates; power-off resume function for complex test sequences Basic limited programming with few segments, unable to execute sophisticated cyclic stress profiles Communication Interfaces Standard equipped with Ethernet, IEEE 488 and RS232 ports for seamless integration with automated test platforms and load boards Limited single communication port, difficult to interface with automatic semiconductor test systems Refrigeration System Cascade air-cooled refrigeration system for stable 24/7 continuous operation; no liquid nitrogen (LN₂) or CO₂ auxiliary cooling required Single-stage refrigeration with weak low-temperature load capacity, prone to temperature drifting under prolonged continuous cycling Anti-Static Protection Industrial-grade full ESD protection structure, safe for sensitive semiconductors and optoelectronic devices No dedicated anti-static design; high risk of electrostatic damage to delicate samples 4. Key Specifications, Certifications & Application Scope Lab Companion thermal shock chambers cover the same wide temperature range of -60℃ ~ +150℃, featuring integrated industrial ESD construction and cascade air-cooled refrigeration without LN₂ or CO₂ consumption. • Temperature display accuracy: ±0.5℃ • Calibration: CNAS traceable • Certifications: ISO 9001, CE, RoHS compliant With robust closed-loop temperature control algorithms and flexible multi-segment programming, the chambers minimize environmental interference and ensure repeatable test results for both laboratory R&D verification and mass production line quality inspection. Typical Applications:Reliability thermal stress testing for RF/microwave components, optical communication modules, power semiconductors and communication ICs, supporting product characterization, performance validation and failure analysis.

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  LEER MÁS
• Lab Companion Rapid Temperature Change Test Chamber: Core Testing Equipment for 800G CPO Thermal Cycling Validation

  Jul 25, 2026

  1. Thermal Cycling Test for 800G CPO Optical Modules: From Optional Test to Mandatory Industry Threshold 1.1 Technical Upgrade of High-Speed Optical Modules Brings Severe Thermal Reliability Challenges The global optical communication industry is undergoing rapid technical iteration from 400G to 800G and 1.6T. Higher-speed transmission scenarios drive a significant increase in the integration and packaging density of optical modules, raising the bar for environmental reliability performance. CPO (Co-packaged Optics) technology integrates optical engines and switching chips on a single substrate, greatly shortening the optical signal transmission path and reducing transmission loss, making it a core solution for high-speed optical interconnection. However, the highly integrated packaging structure leads to higher thermal density and more complex temperature stress distribution, easily causing performance fluctuation and device failure. Optical modules operate under highly variable temperature conditions in practical service: high-temperature environments in hot-aisle data center cabinets, cold startup of edge equipment in cold regions, and frequent temperature surges and drops caused by dynamic load changes. The devices are continuously exposed to cyclic temperature stress and repeated thermal expansion and contraction. For the core DFB laser, the center wavelength drift coefficient reaches 0.08~0.1nm/°C, while the channel spacing of mainstream DWDM systems is only approximately 0.8nm. A slight temperature deviation will trigger wavelength shift, aggravated crosstalk and increased bit error rate, severely affecting the stability of the entire communication system. Therefore, standardized and high-precision thermal cycling testing is a core prerequisite for ensuring the mass production reliability of 800G CPO devices. 1.2 Mandatory Equipment Requirements Specified by Authoritative Industry Standards Leading cloud vendors and telecom operators have incorporated three authoritative standards including GR-468-CORE, YD/T 3137 and JEDEC JESD22-A104 into the supplier qualification assessment system, with thermal cycling testing listed as a mandatory key item. The industry’s stringent universal test specifications are defined as follows: the conventional thermal cycling range is -40°C to +85°C with a linear temperature change rate of ≥10°C/min and no less than 500 cycles. For high-end 1.6T LPO modules, the standards are further upgraded: the temperature range extends to -55°C to +125°C and the required temperature change rate exceeds 15°C/min. Traditional thermal test chambers only support non-linear temperature change at 1~3°C/min, featuring unstable rate, poor internal temperature field uniformity and low test data repeatability. Test reports generated by such equipment cannot be recognized by Telcordia and GR-468 certification systems. Thermal cycling testing for 800G CPO optical modules is far from simple heating and cooling. It is an all-round rigorous test of equipment performance in temperature change rate, temperature field uniformity, test repeatability and data traceability. 2. Lab Companion TC/TH Series: Tailored for Full-Scenario Reliability Verification of 800G CPO Devices 2.1 Brand Strength: Specialized High-Tech Enterprise for Environmental Simulation Testing Founded in 2011, Lab Companion is a national high-tech and specialized sophisticated enterprise with a registered capital of 10 million RMB. With three R&D and manufacturing bases in Dongguan, Kunshan and Chongqing, the company has obtained ISO9001, ISO14001, ISO45001 and ISO27001 system certifications. Focusing on environmental simulation technology for years, Lab Companion provides high-precision and high-stability environmental test equipment for high-end industries including semiconductors, optical communications and new energy. 2.2 Core Parameters: Wide Temperature Range, Multi-Rate Options and High Precision Compliant with Industry Standards The Lab Companion TC/TH series rapid temperature change test chambers are specially developed to meet the stringent test requirements of 800G CPO devices, high-speed optical modules and optical chips. The core parameters fully comply with high-end industry certification standards, covering both standardized tests and customized scenario demands. Parameter Lab Companion TC/TH Series Specifications Temperature Range -70°C ~ +150°C Temperature Fluctuation ±0.5°C Temperature Deviation ±2°C Humidity Range (TH Series) Standard: 20~98%RH; Low Humidity Type: 5~98%RH Humidity Deviation ±3.0%RH (<75%RH); ±5.0%RH (≥75%RH) Temperature Change Rate 5/10/15/20/25°C/min (Linear/Non-linear Optional) Effective Rate Range -55°C ~ +125°C (Fully covers high-end optical module test conditions) Standard Chamber Volume 80L, 150L, 225L, 408L, 800L Custom Volume Range 80L ~ 8000L Full-size Customization The TC series is a pure thermal cycling model designed for independent temperature reliability testing of optical chips and optical modules. The TH series is equipped with high-precision humidity control functions to meet composite temperature and humidity environmental test requirements. Both series cover the full workflow of R&D verification, qualification certification and mass production screening. 2.3 High-Precision Linear Temperature Change Fully Compliant with GR-468 Core Criteria Tailored for core industry certification requirements, the TC series supports adjustable linear temperature change rates from 5°C/min to 25°C/min. Within the core test range of -40°C to +85°C, the linearity is precisely controlled within ±1°C/min, fully meeting the average temperature change rate calculation criteria of the GR-468 standard. Different from traditional equipment with irregular non-linear heating and cooling, Lab Companion’s linear temperature change technology applies uniform, stable and repeatable thermal stress. It ensures consistent temperature impact on CPO devices of different batches and positions, realizing reproducible and traceable test data for smooth authoritative certification. This fundamentally solves the industry pain point of unrecognized test reports from conventional equipment. 3. Specialized Engineering Design for Precision Optoelectronic Device Testing 3.1 Condensation-Proof Sealed Inner Chamber Prevents Precision Device Contamination and Corrosion 800G CPO optical modules and chips are ultra-precision optoelectronic components. Their golden fingers and LC/MPO optical interfaces are extremely vulnerable to condensation corrosion and contamination, which may cause test failure and device scrapping. Lab Companion TC series adopts an integrated SUS304 stainless steel inner chamber and double-layer low/high temperature resistant silicone sealing structure. It effectively inhibits condensation and dripping during temperature fluctuation, maintains full-process surface cleanliness of test samples, avoids oxidation and contamination risks, and guarantees authentic and valid test data. 3.2 Superior Temperature Field Uniformity Ensures Batch Test Consistency Equipped with a customized circulating air supply system that eliminates internal airflow dead zones, the equipment controls temperature fluctuation within ±0.5°C and temperature deviation within ±2°C. The excellent temperature field uniformity ensures that hundreds of optical modules and chips in a single batch are exposed to a consistent thermal environment. It avoids stress imbalance and test data deviation caused by local temperature differences, providing reliable support for mass production screening and batch quality control. 3.3 Intelligent PID Control System Simplifies Certification and Test Workflow All models are equipped with the self-developed C100 PID temperature and humidity control system integrated with fuzzy logic and AI adaptive algorithms, achieving a test data repeatability rate of up to 99.5%. The controller is preloaded with universal industry standard test curves including GR-468, JESD22-A104 and IEC 60068-2-14. Users can call the templates directly without repeated programming and debugging, greatly shortening the cycle of R&D certification and mass production testing and improving overall test efficiency. 4. Full-Volume Product Matrix Covering R&D to Mass Production 4.1 Small Volume Models (80L/150L/225L): Ideal for R&D and Chip-Level Verification Featuring compact size and precise temperature control, small-volume models are suitable for small-batch R&D verification and preliminary testing of CPO optical chips, optical engines and prototype samples. Configurable with multi-layer sample racks, the chambers support synchronous testing of dozens of chips per batch. With a dedicated condensation-proof temperature control logic, the equipment effectively protects chip pins and packaging structures during low-temperature recovery, perfectly matching laboratory precision R&D scenarios. 4.2 Large Volume Models (408L/800L/1000L): Support for Mass Production ESS Screening For mass production Environmental Stress Screening (ESS) of optical modules, large-volume models enable synchronous testing of hundreds of 800G CPO modules per batch. Taking the TC-1000 as an example, it maintains a stable linear temperature change rate of 20°C/min at a 1000L large volume, and achieves 15°C/min linear heating/cooling stably under a load of over 100kg. High-speed temperature fluctuation efficiently excites potential device defects, greatly improving mass screening efficiency and meeting large-scale production quality control demands. 4.3 Ultra-Large Custom Solutions (80L~8000L): Support for Whole Cabinet Joint Testing For special scenarios such as joint thermal cycling testing of complete switches and cabinet-mounted optical modules, Lab Companion provides full-size customization services ranging from 80L to 8000L. Supported by localized manufacturing capabilities in the Chongqing base, we can rapidly deliver walk-in large-scale test equipment, covering test scenarios from small and medium-sized samples to whole cabinet system-level verification, satisfying differentiated and high-end testing requirements of enterprises. 5. Global Production Layout and Service Network Empowering Optical Communication Industry Upgrading Lab Companion equipment is widely applied in core fields including aerospace, semiconductors, new energy, high-end electronics and optical communications. In the high-speed optical communication track, our TC series chambers have become core test equipment for R&D certification and mass production screening of 800G CPO devices and high-speed optical modules. In May 2020, Lab Companion established a strategic cooperation with Froilabo, a century-old French enterprise, introducing international advanced thermal shock technology and further upgrading the R&D and manufacturing capacity of high-end environmental test equipment. Conclusion With the popularization of 800G and 1.6T high-speed optical communication technologies, standard-compliant thermal cycling testing has become a core qualification for entering the supply chain of leading vendors. Featuring a wide temperature range, high-precision linear temperature change, superior uniformity and excellent repeatability, Lab Companion TC/TH series rapid temperature change test chambers deliver a full-scenario solution covering chip R&D, sample certification, mass production screening and system-level testing. Rooted in high-end manufacturing and focused on the optical communication testing track, Lab Companion empowers the high-quality development of the global high-speed optical communication industry with stable and reliable environmental simulation test equipment.

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  LEER MÁS
• Customized & Precision-Fit: Lab Companion’s Rapid Temperature Change Test Chambers for AI Data Centers

  Jul 21, 2026

  1. New Testing Challenges Brought by High-Density AI Computing Hardware The rapid expansion of AI computing infrastructure has raised higher standards for environmental reliability testing. Modern AI servers equipped with 8 GPUs deliver a peak power consumption of over 10 kW. A standard 42U server cabinet, integrated with liquid cooling pipelines and power distribution units, features a much larger overall size and heat output than traditional server equipment. Power density in state-of-the-art AI data center cabinets now reaches 50kW to 100kW, generating 3–5 times more heat than legacy IT hardware. Standard off-the-shelf temperature test chambers can no longer meet such rigorous testing demands. Most standard chambers either cannot accommodate full-size AI server cabinets or fail to maintain uniform temperature distribution and accurate temperature transition rates under high-load conditions. This creates a common industry pain point: standard chambers cannot test full-spec AI hardware, while third-party outsourcing testing is costly, inefficient, and unreliable. To solve these industry-wide challenges, Lab Companion — a leading national high-tech enterprise and professional environmental test equipment manufacturer based in China — delivers fully customized rapid temperature change testing solutions tailored exclusively for the AI computing industry. With over 21 years of specialized R&D and manufacturing experience in China, we refuse compromised standard sizing and provide application-oriented, high-reliability custom solutions. 2. Full-Volume Customization: From Component-Level to Full-Rack Testing 2.1 Complete Size Coverage for All Testing Scenarios Lab Companion TC/TH series rapid temperature change chambers are available in standard volumes of 80L, 150L, 225L, 408L and 800L, with stable stock support for fast delivery. Beyond standard models, we support full-range non-standard customization from 80L to 8000L, covering reliability testing for semiconductor chips, electronic components, modules, complete devices and full-size server racks. 2.2 Walk-In Custom Chambers for Full-Rack AI Server Testing For large-scale test specimens such as 42U+ GPU server racks and liquid-cooled computing cabinets, Lab Companion provides professional walk-in rapid temperature change chambers. The volume ranges from 1000L to 10000L (1m³–10m³), with unlimited expandable dimensions for super-large equipment upon request. Our walk-in chambers are not simply scaled-up standard models. Each unit is fully redesigned in structure, refrigeration system, air duct circulation and control system based on actual application requirements. Our Chinese engineering team customizes the internal dimensions according to specimen size, placement method and access requirements. We also offer through-type and double-door structures for long-size devices, enabling assembly-line continuous testing and significantly improving testing efficiency. 3. High-Performance Customization: Stable Speed & Precision Under Full Load 3.1 Non-Decaying Temperature Transition Rate Under Full Load Most large environmental chambers on the market only support constant temperature or slow temperature variation, which cannot satisfy high-acceleration reliability testing for AI hardware. Lab Companion chambers maintain outstanding dynamic performance even in large-volume and high-load scenarios. Our walk-in series achieves a temperature change rate of 5℃/min to 15℃/min. The standard TC series provides five optional rates: 5℃/min, 10℃/min, 15℃/min, 20℃/min and 25℃/min. For HALT high-acceleration life testing and military-standard testing, we support customized rates up to 30℃/min, realized via high-displacement compressors, optimized evaporators or liquid nitrogen auxiliary refrigeration. Most importantly, all performance data are tested and verified under full-load operating conditions. Lab Companion eliminates the common industry defect of “fast in no-load, slow in loaded”, ensuring authentic and repeatable test data. 3.2 Ultra-Wide Custom Temperature Range The standard temperature range covers -70℃ to +150℃, meeting conventional reliability testing requirements for most AI computing devices. For extreme application scenarios such as aerospace, military and semiconductor cryogenic testing, we support extended temperature ranges. With cascade refrigeration or liquid nitrogen auxiliary cooling, the minimum temperature can reach -100℃, and ultra-low-temperature models can achieve -196℃. By upgrading heating systems and high-temperature resistant materials, the maximum temperature can be extended to +200℃. 3.3 Optimized Air Duct System for Superior Temperature Uniformity Uneven temperature distribution is the biggest technical challenge for large-volume test chambers. To avoid air short circuits and temperature deviations, Lab Companion adopts a multi-point three-dimensional air supply system. Equipped with high-power centrifugal fans and customized deflectors, the system forms a forced convection circulation inside the chamber. Verified by actual tests, the temperature uniformity reaches ≤±1.5℃ and temperature fluctuation ≤±0.5℃ under full-load conditions, ensuring consistent and reliable testing results across the entire chamber space. 4. Scenario-Based Functional Customization for AI Data Centers 4.1 High Thermal Load Adaptation AI servers generate extreme heat during full-power operation. An 8-card GPU server can exceed 10kW peak power consumption, while a single NVIDIA H100 GPU features a 700W TDP. Ordinary test chambers fail to offset such massive heat load, resulting in uncontrolled internal temperature and invalid test data. Lab Companion optimizes the refrigeration system and evaporator structure specifically for high-heat test scenarios. Our CW series supports a maximum 50kW continuous thermal load, ensuring the internal temperature strictly follows the programmed curve even when the test specimen operates at full power. 4.2 Liquid Cooling Compatibility & Custom Interface Design As liquid cooling becomes mainstream in AI data centers, Lab Companion reserves dedicated wall-through liquid cooling pipeline interfaces for walk-in chambers with high-sealing structure to prevent condensation and air leakage. We also provide customizable multi-functional interfaces, including 25mm–200mm cable ports with silicone plugs or aviation panels, optical fiber ports for signal transmission, multi-core sealed power connectors, and gas ports for nitrogen or dry air intake, fully adapting to diverse AI device testing demands. 4.3 Anti-Condensation Design Drastic temperature changes during rapid thermal cycling easily cause surface condensation, leading to chip oxidation, short circuits and test failure. Lab Companion provides optional professional anti-condensation functions with precise humidity control, effectively preventing condensation damage and ensuring test accuracy and device safety. 4.4 Split-Type Structure for Low Noise & Easy Maintenance Lab Companion adopts an independent split-type structure. The refrigeration unit is placed outdoors or in a dedicated equipment room and connected to the test chamber via insulated pipelines. This design effectively reduces operating noise in the working area. Meanwhile, maintenance of the refrigeration system does not require removing test samples, ensuring uninterrupted testing operations and stable long-term refrigeration performance. 5. Reliable Customization & Global After-Sales Support from Chinese High-End Manufacturing 5.1 Mature Full-Link Customization System Rooted in high-end equipment manufacturing in China, Lab Companion has accumulated over 21 years of industry experience and more than 1,000 successful non-standard customization cases. We have established a complete customized service system covering size customization, temperature range adjustment, temperature rate optimization and scenario-based functional development, delivering one-stop tailored solutions for global enterprise clients. 5.2 Dual-Delivery Mode: Fast Stock Shipment + Efficient Customization To meet global clients’ diverse delivery requirements, we implement a dual-track strategy. Standard chamber models are always in stock for immediate shipment. For non-standard customized equipment, we achieve efficient production and delivery with a lead time as short as 20 working days. 5.3 High-Precision Chinese Manufacturing Quality Assurance Equipped with advanced high-precision fiber laser cutting equipment, our Chinese production base achieves a machining accuracy of ±0.03mm and a chamber assembly gap controlled within 0.08mm. The production cycle of core sheet metal components is shortened from 5 days to 2 days, providing solid technological and manufacturing support for high-precision, small-batch and diversified customized orders. 5.4 Global Online After-Sales Service Support To adapt to overseas business scenarios, Lab Companion provides professional global online after-sales support. We do not offer on-site door-to-door service for international clients. Instead, our professional Chinese technical team provides 24/7 remote online guidance, including equipment installation guidance, parameter debugging, operational training, fault diagnosis and technical troubleshooting, ensuring stable and efficient equipment operation for global users. Conclusion As a professional environmental test equipment manufacturer with deep roots in Chinese high-end manufacturing, Lab Companion focuses on customized rapid temperature change chamber solutions for the AI computing industry. Our products are widely applied in full-rack AI server testing, GPU cluster reliability verification, liquid-cooled cabinet environmental screening and semiconductor component testing. From small 80L component test chambers to super-large 8000L+ walk-in environmental rooms, Lab Companion delivers precise, stable and high-performance customized testing solutions, empowering the reliable development of global AI data center infrastructure.

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  LEER MÁS
• Lab Companion｜AI Rapid Temperature Change Test Chamber Selection Guide & Buying Pitfall Tips

  Jul 20, 2026

  1. Common Misconceptions in AI Thermal Testing Equipment Selection With the rapid advancement of the global AI computing industry, chip designers, server manufacturers, and data center operators are increasingly adopting rapid temperature change test chambers for product reliability validation. However, many overseas buyers encounter consistent issues: they select equipment based solely on advertised empty-chamber parameters without considering the unique thermal characteristics of AI high-load testing scenarios. This common mismatch leads to costly post-purchase problems. Many chambers deliver impressive speed and accuracy under empty conditions but fail completely when loaded with real AI devices. Typical failures include drastically reduced temperature cycling rates under full GPU load, poor temperature uniformity with full server racks, and insufficient chamber volume for iterative product upgrades—resulting in repeated procurement and wasted investment. Lab Companion is a professional environmental test equipment manufacturer based in China, with 21 years of industry experience and global market service capabilities. We have supported hundreds of AI computing clients worldwide with high-reliability thermal cycling solutions. This guide systematically outlines the core selection criteria for AI data center-grade rapid temperature change chambers, helping global users avoid mainstream sourcing pitfalls. Our full product lineup covers testing scenarios from chip-level validation to full server rack qualification, with all performance parameters verified under full-load working conditions. 2. Core Criterion 1: Full Thermal Load Handling Capacity (Most Critical for AI Testing) Traditional rapid temperature change chambers are designed for low self-heat materials and common electronic components, with limited cooling redundancy. They are not engineered for high-power AI hardware such as high-density GPUs and full-load servers. In real AI testing scenarios, continuous high heat dissipation from DUTs (devices under test) exceeds the cooling capacity of ordinary chambers, causing temperature offset, unstable cycling, and failed test runs. Thermal load capacity is the primary index to verify whether a chamber is AI-test-ready. Buyers must confirm the maximum sustainable heat load and reserve sufficient cooling margin according to actual DUT power consumption. Recommended load standards for mainstream AI applications are as follows: • Single GPU chip testing: minimum 2kW thermal load capacity • 8-card GPU motherboard testing: minimum 10kW thermal load capacity • Full 42U AI server rack testing: minimum 50kW thermal load capacity Extra cooling redundancy is strongly recommended for future high-power product iteration. Lab Companion AI-specific rapid temperature change chambers are optimized for high-thermal-load scenarios from the original design. Our TC series vertical chambers support 2kW to 15kW heat load, perfectly matching chip and board-level validation. Our CW series walk-in chambers support 50kW continuous self-heat dissipation and 1000kg mechanical load, fully meeting full-size 42U AI server rack testing. Custom high-load upgrades are available for extreme power-consumption scenarios. Even under continuous full-load server operation, our chambers maintain stable cycling speed and precise temperature control without drift or speed reduction. 3. Core Criterion 2: Temperature Change Rate — Only Accept Full-Load Verified Data Temperature change rate is the most intuitive performance indicator and the biggest purchasing trap in the industry. Many manufacturers advertise attractive rates tested underempty-chamber ideal conditions. Once high-heat AI samples are loaded, the actual rate drops sharply. It is common to see a 15℃/min advertised chamber deliver less than 5℃/min in real full-load AI tests, failing industry-standard specifications. When selecting equipment, always request full-load certified test reports and distinguish between average rate and linear continuous rate. Standard AI reliability tests adopt 5℃/min, 10℃/min, and 15℃/min cycling rates. High-stress HALT/HASS screening requires 20℃/min or higher. Choose specifications based on actual test standards instead of over-specifying to avoid unnecessary cost increases. All rate parameters of Lab Companion chambers are full-load actual test values. We provide five standard rate grades: 5℃/min, 10℃/min, 15℃/min, 20℃/min, and 25℃/min, supporting both linear and non-linear temperature cycling modes. Optional liquid nitrogen auxiliary cooling is available for advanced HALT testing, achieving a maximum cooling rate of 30℃/min. Every unit undergoes strict full-load aging testing before delivery to ensure consistent performance with certified parameters. 4. Core Criterion 3: Precise Temperature Control & Minimal Overshoot to Protect High-Value DUTs AI test samples including advanced GPUs, HBM memory, and high-speed optical modules are extremely high-value and temperature-sensitive. Excessive temperature overshoot or unstable uniformity will cause permanent device damage, leading to huge economic losses and delayed R&D schedules. Therefore, temperature stability and overshoot control are essential for semiconductor and AI hardware qualification. Three key precision indicators must be verified: • Temperature Fluctuation: ≤±0.5℃ for stable testing environments • Temperature Uniformity: ≤±2℃ for large-volume full-rack testing • Temperature Overshoot: ≤±1℃ to prevent component breakdown Lab Companion chambers adopt self-developed intelligent cold-end regulation and fuzzy PID control algorithms. The actual performance far exceeds industry average standards: temperature fluctuation ≤±0.5℃, full-load uniformity ≤±1.5℃, and overshoot controlled within ±0.5℃ even at 15℃/min fast cycling speed. Each unit is equipped with an independent hardware over-temperature protection system, which cuts off power automatically in case of abnormal temperature deviation, providing dual-layer safety protection for high-value AI test samples. 5. Core Criterion 4: Chamber Volume & Customization Capacity for Long-Term Compatibility Improper chamber volume selection causes either insufficient test capacity or excessive procurement and operation costs. The optimal solution balances current test demands and future product iteration. Buyers need to consider sample dimensions, weight load, and long-term upgrading requirements. Scenario-based volume selection reference: • Chip and small module testing: 34L–180L bench-top or vertical models • Server motherboard and multi-GPU module testing: 340L–1000L vertical models • Full server rack and large system-level testing: 1000L+ walk-in chambers For liquid-cooled server testing, customizable wall-through pipeline interfaces and reinforced load-bearing structures are essential reserved functions. As a leading Chinese manufacturer with complete product coverage, Lab Companion provides chamber volumes ranging from 34L to over 10,000L. We offer comprehensive customization services including internal volume adjustment, liquid cooling interface reservation, external dimension optimization for limited lab space, and enhanced cooling systems for ultra-high-power DUTs. Our flexible customized solutions adapt to diverse and advanced AI testing requirements worldwide. 6. Core Criterion 5: Global Service Support & Standardized Data Compliance Reliable after-sales service and standardized data traceability are critical for global corporate users, especially for fast-updating AI product lines and tight qualification schedules. Equipment failure or non-compliant test data will directly affect R&D progress and mass production verification. Lab Companion provides globally standardized technical support and after-sales service. We have established standardized production, quality control, and service systems to support international clients. Our intelligent C1000 control system automatically records full test data, temperature curves, and operation logs, supporting USB and Ethernet data export and standardized report generation. All test data fully complies with ISO 17025, IATF 16949, and other international quality system traceability requirements. All Lab Companion equipment is CE-certified and meets GB, GJB, IEC, JESD22 and other mainstream global test standards. Test reports can be directly used for product certification, factory audit, and overseas market declaration. 7. Free Professional Selection Consulting Service from Lab Companion Improper parameter matching is the main cause of unnecessary procurement waste. To help global users achieve accurate selection, Lab Companion provides free one-on-one professional application consulting. Simply provide your DUT dimension, weight, maximum power consumption, target test standards, and temperature cycling requirements, and our professional engineering team will recommend the most cost-effective and application-matched chamber configuration. We help clients eliminate over-specification costs while fully meeting test demands. We also provide standardized test solution guidance, SOP drafting support, and operator training to ensure rapid equipment deployment and stable mass testing. Conclusion The core principle of selecting AI-grade rapid temperature change chambers is practical matching, true full-load performance, and long-term scalability. Buyers should prioritize five essential indicators: thermal load handling capacity, verified full-load cycling rate, high-precision temperature stability and safety, reasonable volume adaptability, and international service & data compliance. As a reliable high-end environmental test equipment brand from China with 21 years of professional accumulation, Lab Companion adheres to real parameter calibration and full-load factory aging verification. Every delivered unit achieves stable and consistent performance for AI chip, server, and data center reliability testing. We continue to provide cost-effective, high-reliability thermal cycling solutions for global AI enterprises. Feel free to contact our team for professional selection advice and detailed product specifications.

  ETIQUETAS CALIENTES : Cámara de prueba de cambio rápido de temperatura Cámara de prueba de ciclos de temperatura Cámara de prueba de temperatura y humedad fabricantes de cámaras de pruebas ambientales cámara de simulación ambiental cámara de prueba de choque térmico

  LEER MÁS
• Lab Companion Solves AI Thermal Test Challenges: 50kW Full-load High-speed Temperature Cycling Test Solution

  Jul 17, 2026

  Established in 2005, Lab Companion is a national high-tech enterprise specializing in the R&D, manufacturing and sales of environmental and reliability test equipment. Rooted in China’s advanced manufacturing industrial cluster, the brand owns three standardized production bases across China, with a total manufacturing area of over 6,000 square meters and an annual output of approximately 1,000 environmental test chambers. With 21 years of industry expertise, Lab Companion is one of China’s earliest environmental test equipment manufacturers certified with CE marking, delivering high-quality, industry-certified testing solutions for global clients. Driven by the explosive expansion of global AI computing infrastructure, high-power AI servers and GPU cabinet systems are generating unprecedented thermal loads, bringing severe challenges to environmental reliability verification. Leveraging China’s complete industrial supply chain and mature precision manufacturing capabilities, Lab Companion has launched a series of high-heat-load rapid temperature cycling test chambers. Featuring a genuine 50kW full-load thermal testing capacity, our equipment provides robust, reliable thermal validation support for high-power-density AI computing hardware. 1. New Industry Demand: AI Thermal Testing Becomes Mandatory for Reliability 1.1 Skyrocketing Power Density Triggers Exponential Thermal Growth The booming demand for large-model AI training and inference has driven a comprehensive upgrade of computing hardware power consumption. A single NVIDIA H100 GPU delivers a thermal design power of 700W, while an 8-GPU mainstream AI server achieves a peak power consumption of over 10kW. For high-density computing cabinets, the total heat load can reach 50kW to 100kW, 3 to 5 times higher than traditional general-purpose servers. Different from the intermittent peak heat generation of conventional data center devices, modern AI computing clusters maintain continuous high-load operation around the clock. Once the core temperature reaches the critical threshold of 85℃–90℃, the GPU activates thermal throttling, significantly reducing core frequency and causing up to 25% computing performance loss. In this context, accurate and stable high-temperature reliability testing has become an indispensable procedure for AI hardware R&D and mass production. 1.2 Three Core Limitations of Traditional Test Equipment Rapid temperature cycling testing is essential for validating the long-term reliability of AI servers, IP chips, and high-speed optical modules. However, traditional temperature cycling chambers fail to adapt to high-heat, large-size, heavy-weight AI test samples, restricting modern computing reliability verification. First, self-heating interference causes inaccurate test data. Fully loaded AI servers and GPU modules generate massive continuous heat, disturbing the internal temperature field of traditional chambers. The actual ambient temperature around the DUT deviates greatly from the set value, resulting in poor accuracy and repeatability of test results. Second, outdated control algorithms lead to temperature overshoot risks. Traditional PID control systems cannot respond dynamically to drastic thermal load changes. Slow heating response and unstable temperature stabilization frequently cause temperature overshoot, exposing high-value engineering samples to abnormal temperature stress and leading to sample damage or invalid test data. Third, insufficient space and load capacity limit full-system testing. AI testing scenarios have expanded from single chips and boards to complete GPU clusters and 42U server cabinets. Traditional chambers below 1000L lack sufficient internal space and cooling redundancy to support full-cabinet, high-power continuous thermal testing. Moreover, upgraded global and industrial testing standards further raise industry requirements. GB/T 2423.2-2008 requires server high-temperature testing at 55℃–85℃ for a minimum of 16 hours. The latest T/UNP 538-2025 specification formulates exclusive thermal and environmental adaptability standards for high-power-density servers, making traditional testing equipment completely incompatible with current industry verification demands. 2. Core Performance Specifications of Lab Companion Rapid Temperature Cycling Chambers 2.1 Ultra-wide Temperature Range & Real Full-load Rate Options Lab Companion TC/TH series rapid temperature cycling chambers support a standard temperature range of -70℃ to +150℃ (max 220℃ temperature difference), with customizable ultra-wide range models from -80℃ to +200℃, covering all extreme high and low-temperature testing scenarios for AI hardware. The equipment provides five temperature change rate options: 5℃/min, 10℃/min, 15℃/min, 20℃/min and 25℃/min.All rate parameters are tested and verified under full-load conditions, rather than empty-chamber theoretical values. The industry commonly suffers from inflated empty-chamber parameters, where the actual temperature rate drops sharply after loading samples. Lab Companion adheres to authentic full-load data calibration, ensuring consistent and reliable real-world performance for global customers. 2.2 Large Space & High Load Capacity for Full-cabinet Testing To meet full-system testing demands for AI server cabinets, Lab Companion CW series walk-in rapid temperature cycling chambers offer flexible capacities from 1000L to 10000L, with fully customizable cabin dimensions to fit different laboratory environments. The series delivers industry-leading load performance, supporting 1000kg mechanical load and 50kW continuous thermal load testing with expandable heat load capacity. With only 10m³ of test space, the chamber stably sustains 50kW+ high-heat-load operation, directly accommodating complete AI server cabinets, GPU clusters and high-power communication equipment without additional auxiliary test platforms. 2.3 High-precision Temperature Control with Ultra-low Overshoot Lab Companion TC series achieves outstanding temperature stability, with temperature fluctuation ≤±0.3℃ and temperature deviation ≤±2℃. Even at a high cycling rate of 15℃/min, the temperature overshoot is strictly controlled within ±0.5℃. This precise control performance is critical for thousand-cycle temperature reliability tests of server motherboards. It effectively avoids excessive thermal stress on BGA solder joints and PCB structures, preventing sample failure and ensuring the accuracy and consistency of long-term reliability test results. 3. Core Technologies Enabling Stable 50kW High-heat-load Testing 3.1 Enhanced Cooling System with Sufficient Power Redundancy Traditional chambers are designed based on low-heat or zero-heat sample assumptions, resulting in insufficient cooling capacity under 10kW+ thermal loads and drastic temperature rate attenuation. Lab Companion upgrades the overall cooling architecture for high-power computing testing scenarios. The compressor power is more than twice that of conventional chambers with the same volume, providing sufficient cooling redundancy to offset continuous high heat generation from AI devices and maintain stable temperature cycling performance. 3.2 Advanced Indirect Refrigeration System: High Precision & Energy Saving Equipped with a high-efficiency indirect refrigeration system, Lab Companion walk-in chambers optimize heat exchange and energy control logic. The system controls temperature and humidity uniformity within ±2K and fluctuation within ±1K, exceeding mainstream industry precision standards. Meanwhile, it reduces overall energy consumption by over 50% compared with traditional cooling solutions, significantly lowering long-term operational and R&D testing costs. 3.3 Optimized Air Duct Design Ensures Uniform Large-space Temperature Field For large-volume walk-in test cabins, conventional fan solutions struggle to achieve uniform temperature distribution. Lab Companion adopts a high-volume forced convection system, combined with multi-point PID synchronous adjustment and zoned temperature compensation technology. This design eliminates local temperature differences in large cabins and ensures consistent test conditions and accurate data for full-cabinet AI hardware testing. Conclusion As AI computing hardware evolves from 700W single-chip heat generation to 50kW full-cabinet thermal load, the global computing industry is facing unprecedented thermal reliability challenges. Backed by 21 years of China’s high-end precision manufacturing experience and complete industrial chain advantages, Lab Companion provides professional, verifiable, high-reliability environmental test solutions covering chips, modules and full server cabinets. With authentic 50kW full-load testing capability, ultra-wide temperature range, genuine high-speed temperature cycling performance and super-high load capacity, Lab Companion empowers global AI computing enterprises with stable, accurate and standardized thermal reliability verification, contributing Chinese manufacturing strength to the high-quality development of the global AI computing industry.

  ETIQUETAS CALIENTES : Cámara de prueba de ciclos de temperatura cámaras de prueba de cambio rápido de temperatura Cámara de prueba de temperatura y humedad fabricantes de cámaras de pruebas ambientales cámara de simulación ambiental cámara de prueba de choque térmico

  LEER MÁS
• Lab Companion Bridges AI Testing Gaps: Three-Level Rapid Thermal Cycle Solutions for Chips, Boards and Full Server Racks

  Jul 16, 2026

  1. Multi-Tier Testing Requirements for AI Computing Hardware The global AI computing industry is undergoing large-scale commercial deployment. Reliability environmental testing has become a mandatory procedure across the entire industrial chain, covering IP core verification, GPU chip packaging, multi-GPU module integration, server motherboard manufacturing, and full rack delivery. Different R&D and mass production stages present completely different requirements for test equipment in terms of chamber volume, thermal cycling rate, heat load capacity and sensor density: • Chip-level testing: Requires compact chambers with ultra-fast temperature variation and high precision for highly accelerated stress screening (HASS). • Board-level testing: Requires medium-volume chambers with multi-point monitoring to validate the thermal adaptability of complete server boards. • Full rack-level testing: Requires large-scale walk-in chambers with powerful cooling capacity to accommodate standard 42U server racks. Most global computing hardware manufacturers currently adopt fragmented testing solutions by purchasing different equipment from multiple brands. This traditional model leads to high procurement costs, large floor space occupation, inconsistent test data, fragmented operation logic and complicated after-sales management. As a leading Chinese manufacturer with 21 years of expertise in environmental test equipment, Lab Companion delivers a full-series rapid thermal cycling chamber matrix that covers chip, board and full rack validation. Backed by complete Chinese industrial supply chains and independent domestic R&D and manufacturing capabilities, the company provides a unified and standardized testing system for the full lifecycle verification of AI computing hardware. Lab Companion’s equipment is widely deployed in laboratories and production lines of top global and Chinese chip design institutes, server manufacturers and optical module suppliers. 2. Chip-Level Testing: HASS for IP Cores and GPU Chips 2.1 Technical Challenges of Semiconductor Chip Testing At the upstream of the AI computing industry, IP core and GPU chip testing targets miniature packaged chips and wafer-level components. Despite small sample size, these components demand extreme standards in temperature accuracy and thermal change speed. A single fully loaded GPU chip can reach up to 700W power consumption, requiring wide-range and high-speed thermal cycling simulation to verify long-term operational stability. High-standard chip testing requires four core capabilities: ultra-wide temperature range, high-precision temperature control, rapid thermal response and professional anti-condensation performance. 2.2 Core Specifications of Lab Companion Compact TC Series Lab Companion TC series compact rapid thermal cycling chambers are specially engineered for high-precision semiconductor testing scenarios. Ultra-wide temperature coverage: Standard models feature a temperature range of -70℃ to +150℃, covering most commercial and industrial semiconductor testing requirements. Custom extended versions reach -80℃ to +200℃, supporting automotive and military-grade high-standard chip validation. Multiple full-load thermal cycling rates: The series provides 5°C/min, 10°C/min, 15°C/min, 20°C/min and 25°C/min full-load verified rates, with no empty-load nominal exaggeration. It fully complies with global mainstream standards including JESD22-A104, GB/T 2423.22 and IEC 60068-2-14. With optional liquid nitrogen auxiliary cooling, the maximum cooling rate can reach 30°C/min. Micron-level temperature precision: Under actual cycling conditions, the temperature fluctuation is controlled within ±0.3℃ and temperature deviation within ±2℃, ensuring accurate stress application and avoiding invalid test results caused by over-stress or insufficient environmental stimulation. 2.1 Mass Production Screening and Anti-Condensation Design Equipped with multi-layer sample racks, the TC series supports batch testing of hundreds of chips in a single cycle, greatly improving mass production screening efficiency. The built-in intelligent anti-condensation system precisely regulates internal humidity, eliminating surface condensation on chip pins and packaging during temperature recovery phases, and preventing oxidation and short-circuit risks during testing. The TC series is widely applied in R&D verification and mass screening of core AI components, including GPU chips, HBM memory, CPO co-packaged optical chips and high-speed IP switching chips. 3. Board & Module-Level Testing: Validation for Multi-GPU Modules and Server Motherboards 3.1 Testing Upgrades from Single Chip to Full Board When testing objects expand from single chips to multi-GPU parallel modules and complete AI server motherboards, test requirements become far more rigorous. A single 8-GPU server motherboard can generate over 5kW heat under full load. Traditional thermal cycling chambers fail to match high-heat sample scenarios, resulting in temperature drift, uneven thermal field and invalid test data due to insufficient cooling power. 3.2 Performance Advantages of Lab Companion Medium TC Series Lab Companion medium-sized TC series provides 340L, 600L and 1000L standard chamber volumes, fully accommodating standard ATX/E-ATX server motherboards and multi-GPU modules. Complete boards can be tested directly without disassembly, restoring real operating conditions. Ultra-low temperature overshoot control: Even at a high cycling rate of 15°C/min, temperature overshoot is strictly controlled within ±0.5℃. This capability prevents premature BGA solder joint fatigue caused by excessive temperature overshoot and ensures sufficient stress verification for extreme working conditions during thousand-cycle reliability tests. High heat load adaptability: The series supports 2kW to 15kW self-heat load, fully matching full-load thermal testing requirements of AI server boards and multi-GPU modules. 3.1 Practical Verification Results In practical testing with a leading AI chip enterprise, the Lab Companion TC-1000 chamber sustained 72-hour continuous thermal cycling tests on a fully loaded 8-GPU motherboard. The internal thermal field remained stable without temperature drift, delivering highly repeatable and consistent test data and gaining high recognition from professional test teams. 4. Full Rack-Level Testing: Walk-In Chambers for 42U Server System Validation 4.1 Core Challenges of Full Server Rack Testing Full-system reliability testing is the final and most rigorous validation step before AI server commercialization. Different from component-level testing, full rack testing requires placing a complete 42U server rack into the chamber and conducting thermal cycling, temperature & humidity and low-temperature storage tests under full-load operating status. High-end AI servers generate extreme heat loads: an 8-GPU server delivers a peak power consumption of over 10kW, while high-density rack power density can exceed 50kW to 100kW. When the operating temperature approaches the 85℃–90℃ safety threshold, GPUs activate thermal throttling, reducing core frequency and causing up to 25% computing performance loss, which seriously affects the authenticity and accuracy of reliability verification. 4.2 Key Capabilities of Lab Companion CW Walk-In Series Lab Companion CW series walk-in rapid thermal cycling chambers are purpose-built for large-scale AI server racks and complete system testing, solving the industry’s most challenging full-rack verification pain points. Super high load capacity: Standard models support 1000kg mechanical load and 50kW sample self-heat dissipation, fully meeting full-config 42U AI server testing demands. Higher load capacity is customizable for ultra-high power density scenarios. Server-oriented temperature performance: The temperature range covers -20℃ to +55℃, matching the full working temperature spectrum of data center servers, with a minimum thermal cycling rate of 5℃/min. Liquid cooling compatibility: Reserved professional liquid cooling pipeline wall-through interfaces with reliable sealing design avoid cold bridge condensation and air leakage, maintaining stable thermal field consistency for liquid-cooled high-performance servers. 5. Full-Link AI Testing Ecosystem: One-Stop Chinese-Made Solution Supported by China’s mature advanced manufacturing system and complete industrial supply chain, Lab Companion offers a comprehensive portfolio of environmental test equipment. The product range covers chamber volumes from 30L to 300m³, temperature ranges from -80℃ to +200℃, and thermal cycling rates from 0℃/min to 30℃/min. The product lineup includes more than 30 categories, such as temperature & humidity chambers, rapid thermal cycling chambers, thermal shock chambers and multi-combined environmental test systems. Different from many industry suppliers that only provide empty-load nominal parameters, all Lab Companion performance indicators are verified under full-load actual working conditions, ensuring consistent performance between official parameters and real-site application.   Test Level   Product Series   Volume Specification   Heat Load Capacity   Core Technical Parameters   Chip Level   Compact TC Series   34L/64L/100L/180L   —   -70~+150℃ (custom -80~+200℃), fluctuation ≤±0.3℃, 5~25℃/min full-load rate   Board & Module Level   Medium TC Series   340L/600L/1000L   2~15kW   ≤±0.5℃ overshoot @15℃/min rate, full-load high-heat board testing support   Full Rack Level   CW Walk-In Series   1000L to 10000L+   50kW (standard) / customizable, 1000kg mechanical load   -20~+55℃, ≥5℃/min cycling rate, liquid cooling compatible Lab Companion high-load walk-in rapid thermal cycling chambers have been deployed in data centers across multiple Asia-Pacific countries and regions. Backed byhigh-standard Chinese intelligent manufacturing strength, Lab Companion provides a fully compatible, reliable and verifiable full-link testing solution for global AI computing hardware, filling the multi-level verification gaps in the AI industry and supporting the stable iteration and large-scale commercialization of global high-performance computing equipment.

  ETIQUETAS CALIENTES : Cámara de prueba de ciclos de temperatura cámaras de prueba de cambio rápido de temperatura Cámara de prueba de temperatura y humedad fabricantes de cámaras de pruebas ambientales cámara de simulación ambiental cámara de prueba de choque térmico

  LEER MÁS
• Lab Companion TC Series Rapid Temperature Change Test Chamber: Technical Core & Performance Advantages | Made in China

  Jul 15, 2026

  1. Core Value of Rapid Temperature Cycling Testing in Reliability Validation 1.1 Significance of Environmental Reliability Testing in Global Manufacturing In modern global industrial manufacturing, a product’s environmental adaptability and operational reliability are core determinants of its service life and market competitiveness. All mainstream industrial products, including consumer electronics, automotive components, semiconductors, and aerospace equipment, must undergo rigorous environmental reliability validation before global market launch. As a critical piece of environmental simulation testing equipment, the rapid temperature change test chamber replicates extreme and fluctuating temperature conditions encountered during product storage, transportation, and real-world service. It effectively evaluates product structural integrity and functional stability under rapid thermal variation stress. Lab Companion is a premium environmental test equipment brand rooted inChina’s advanced intelligent manufacturing industry. With over 20 years of specialized focus on reliability testing equipment R&D and production, our TC Series rapid temperature change test chamber has become a trusted solution for global enterprises. Featuring precise temperature regulation, wide temperature coverage, and multi-speed thermal cycling options, it is widely applied in Environmental Stress Screening (ESS) and high-standard product reliability verification worldwide. 1.2 Core Technical Challenges of Rapid Temperature Change Testing Compared with conventional constant temperature testing, rapid temperature cycling poses stricter technical requirements for test equipment. It demands ultra-fast response from heating and refrigeration systems to achieve drastic temperature shifts within a short period. Meanwhile, consistent temperature field uniformity and high control accuracy must be maintained throughout rapid thermal changes to prevent distorted test data and ensure valid, repeatable results. Targeting these universal industry technical pain points, Lab Companion (Made in China) has completed systematic optimization for the TC Series. With self-developed refrigeration architecture, optimized air duct structure, and intelligent adaptive control algorithms, our equipment delivers stable, high-precision performance even under high-speed temperature cycling conditions, solving the core industry challenge of balancing fast ramp rates and uniform temperature control. 2. In-Depth Interpretation of Core Technical Parameters 2.1 Ultra-Wide Temperature Range for Full-Condition Coverage Temperature coverage is the foundational indicator of environmental test chamber performance. The standard model of Lab Companion TC Series delivers a wide temperature range of -70℃ to +150℃, covering extreme low-temperature cold environments and high-temperature industrial operating conditions. It fully meets the full-temperature-cycle reliability testing requirements for most commercial and industrial products across global industries. To accommodate customized demands for high-end fields such as semiconductors and aerospace, Lab Companion supports exclusive temperature range extension solutions. As a professional Chinese manufacturing brand, we tailor ultra-low and ultra-high temperature testing configurations to match stringent international industry standards and special client testing scenarios. 2.2 Multi-Grade Temperature Ramp Rates for Flexible Testing The temperature ramp rate defines thermal stress intensity and overall testing efficiency, serving as the core performance metric of rapid temperature change chambers. The Lab Companion TC Series provides five optional ramp rates: 5℃/min, 10℃/min, 15℃/min, 20℃/min, and 25℃/min, supporting both linear and non-linear temperature variation modes. Global users can flexibly select parameters based on international test specifications and product characteristics. • 5℃/min: Suitable for conventional thermal cycling tests, simulating gradual natural ambient temperature changes for general product reliability validation. • 10℃/min: Ideal for standard environmental stress screening, achieving an optimal balance of testing efficiency and energy consumption. • 15℃/min: Applies medium-intensity thermal stress to accelerate the exposure of latent defects in precision electronic components. • 20℃/min: Enables high-efficiency stress screening, significantly shortening test cycles and accelerating customer R&D iteration and time-to-market. • 25℃/min: Supports extreme thermal stress testing to meet the rigorous verification standards of high-end semiconductor, aerospace, and precision industrial products. Taking the typical semiconductor thermal cycle test (-40℃ to +150℃) as an example, the 20℃/min ramp rate drastically reduces single-cycle testing duration, improving laboratory operational efficiency and helping global clients accelerate product launch progress. 2.3 High-Precision Temperature Control & Uniformity Maintaining precise and stable temperature control during rapid thermal cycling is the key benchmark of premium equipment quality. The Lab Companion TC Series achieves industry-leading precision performance: Temperature Deviation: ±1.5℃, Temperature Fluctuation: ±0.1~±0.5℃, Temperature Uniformity: ≤±2℃. This ensures consistent thermal conditions across the entire test workspace, guaranteeing accurate and reproducible test data. This superior precision stems from Lab Companion’s accumulated Chinese manufacturing technology advantages. The optimized closed-loop air duct structure realizes uniform internal air circulation without temperature dead zones. Equipped with high-precision sensors and self-adaptive intelligent control algorithms, the system achieves real-time dynamic temperature calibration and precise regulation throughout all test stages. 3. Analysis of Core Technical Systems 3.1 Dual-Stage Cascade Refrigeration System A high-performance refrigeration system determines the equipment’s low-temperature capacity and cooling response speed. Developed and optimized based on Chinese advanced industrial refrigeration technology, the Lab Companion TC Series adopts a high-efficiency dual-stage cascade refrigeration system. The system consists of independent high-stage and low-stage refrigeration loops connected via an evaporative condenser for efficient heat exchange. The high-stage loop provides stable condensing load for the low-stage system, while the low-stage loop directly delivers precise cooling capacity to the test chamber. This cascade design effectively reduces compressor pressure ratio, boosts overall refrigeration efficiency, and supports stable operation at -70℃ ultra-low temperature. All core refrigeration components adopt globally renowned high-quality accessories. Supported by intelligent energy regulation technology, the system automatically matches power output according to different temperature ranges and ramp speeds, ensuring long-term stable operation and low energy consumption for global users. 3.2 Q8 Intelligent Control System Lab Companion equips the TC Series with the self-developed Q8 intelligent control system, integrating AI fuzzy logic and self-tuning PID technology to realize adaptive and high-precision temperature regulation. Featuring a large full-color touchscreen with English-Chinese bilingual switching, the system delivers an intuitive and user-friendly operation interface for global users. It comes with built-in universal international test program templates and supports custom multi-segment program editing and cyclic operation, fully adapting to complex global testing process requirements. In terms of data management, the Q8 system supports real-time data display, automatic storage, one-click export, and standardized test report generation for complete data traceability and analysis. It also integrates remote monitoring functions, allowing users to view equipment operating status and test progress remotely, realizing intelligent and unmanned laboratory management. 3.3 Multi-Layer Comprehensive Safety Protection Mechanism Safety is the primary premise for long-term stable equipment operation. Adhering to strict Chinese industrial safety standards and international certification specifications, the Lab Companion TC Series is equipped with a full set of multi-dimensional safety protection mechanisms to safeguard equipment, samples, and operators. Temperature safety protection: An independent over-temperature protection device automatically cuts off heating and refrigeration power and triggers audible and visual alarms once the temperature exceeds the safe threshold, preventing sample damage and equipment failure caused by temperature runaway. System operation protection: Built-in compressor overload protection, high/low pressure protection, fan fault alarm, and leakage protection realize full-time monitoring of refrigeration and electrical systems to eliminate potential operating risks. Operational safety protection: The door safety interlock automatically pauses ongoing tests when the chamber door is opened, protecting operators from extreme temperature injuries. 4. Product Portfolio & Global Application Scenarios 4.1 Full-Size Product Matrix & Customization Capability As a reliable Chinese intelligent manufacturing brand, Lab Companion builds a complete product matrix covering diverse testing scenarios, ranging from 50L desktop compact chambers to 20m³ large walk-in thermal rooms, meeting the testing demands of different sample sizes and batch volumes. Desktop Series (50L~150L): Compact footprint and flexible operation, ideal for laboratory R&D and small component testing. Standard Series (225L~1000L): Widely applicable to module and small finished product testing, serving as the most mainstream specification for global industrial laboratories. Walk-In Series (2m³~20m³): Customizable large-space chambers for whole-machine, large-component, and multi-batch simultaneous testing. Meanwhile, Lab Companion provides professional non-standard customization services, including special temperature ranges, ultra-fast ramp rates, multi-zone temperature control, and explosion-proof designs, to deliver personalized testing solutions for global high-end clients. 4.2 Multi-Industry Global Application Benefiting from reliable quality and international standard compliance, the Lab Companion TC Series is widely exported and applied in semiconductor, automotive electronics, new energy, aerospace, communication, and medical industries worldwide. Semiconductor & Electronic Industry: Conducts environmental stress screening for chips, PCBs, and precision electronic components, accelerating the exposure of manufacturing defects and improving product reliability. Automotive Electronic Industry: Meets global automotive grade testing standards to verify the operational stability of automotive sensors, control modules, and in-vehicle systems under extreme temperature fluctuation. New Energy Industry: Performs thermal cycling tests for battery modules and BMS systems to evaluate the environmental adaptability and service life of new energy products. Lab Companion consistently delivers high-qualityMade in China environmental test equipment to support high-standard reliability verification for global high-end manufacturing industries. 5. Brand Strength & Global Service System 5.1 Independent R&D Strength & Strict Quality Control Lab Companion is backed by a national high-tech enterprise in China, specializing in the R&D and manufacturing of environmental test equipment. With over two decades of industry experience, we own independent intellectual property rights and core technologies in refrigeration systems, structural design, and intelligent control algorithms. We implement a strict full-process quality management system certified by ISO9001, ISO14001, ISO45001, and ISO27001. Every piece of equipment undergoes rigorous factory performance calibration and aging testing, ensuring stable and consistent quality for all global end users. 5.2 Global Online Technical Support & Full-Lifecycle Service Rooted in China’s advanced manufacturing base, Lab Companion focuses on global market layout and international user service. To adapt to overseas user scenarios, we provide full-lifecycle online technical support for all global clients (no on-site door-to-door service for overseas regions). Our professional international service team provides one-stop remote support covering pre-sales solution consultation, model selection guidance, equipment operation training, real-time online debugging, fault diagnosis, and regular technical maintenance guidance. We ensure 24-hour rapid global response, efficiently solving equipment operation problems remotely and guaranteeing continuous and stable laboratory testing progress for overseas users. Lab Companion — Your Reliable Made-in-China Partner for Global Environmental Reliability Testing. We will continue to empower global manufacturing quality upgrading through technological innovation and professional cross-border services.

  ETIQUETAS CALIENTES : Cámara de prueba de choque térmico Cámara de prueba de ciclos de temperatura cámaras de prueba de cambio rápido de temperatura fabricantes de cámaras de pruebas ambientales cámara de prueba de choque térmico cámara de prueba de temperatura ambiente

  LEER MÁS
• Lab Companion TC Series Rapid Temperature Change Test Chamber: Core Technology & Performance Advantages (Made in China)

  Jul 10, 2026

  1. Core Value of Rapid Temperature Cycling Testing for Product Reliability 1.1 Industry Importance of Environmental Reliability Testing In global modern manufacturing, product durability and environmental adaptability directly determine service life and market competitiveness. Consumer electronics, automotive components, semiconductors, and aerospace equipment must undergo strict environmental validation before mass production and global delivery. As a core piece of environmental test equipment, the rapid temperature change test chamber simulates extreme and fluctuating temperature conditions during product transportation, storage, and end-use applications. It accurately evaluates structural integrity and functional stability under aggressive thermal cycling stress. Lab Companion, a professional environmental test equipment brand based in China, has focused on reliability testing R&D and manufacturing for more than 20 years. The TC Series rapid temperature change test chamber is widely adopted globally for Environmental Stress Screening (ESS) and qualification testing. Trusted for precise temperature control, wide temperature range, and multi-rate thermal cycling flexibility, it has become a standard solution for global manufacturers and laboratories. 1.2 Technical Challenges of High-Speed Temperature Cycling Compared with standard constant temperature and humidity testing, rapid temperature cycling imposes extremely high requirements on mechanical and control systems. Fast thermal ramp rates demand ultra-fast response from heating and cooling systems. Meanwhile, uniform temperature distribution across the entire test space must be maintained to avoid inconsistent test results and invalid data. Lab Companion’s TC Series is fully optimized to solve these industry pain points. With an independently upgraded cooling system, balanced air duct structure, and intelligent PID algorithm, this Chinese-manufactured thermal test chamber delivers stable, repeatable, and accurate performance even under maximum-speed temperature cycling conditions. 2. Key Technical Parameters & Performance Highlights 2.1 Ultra-Wide Temperature Range for Full-Condition Testing The Lab Companion TC Series standard model covers a wide temperature range of -70℃ to +150℃, fully simulating extreme cold, normal ambient, and high-temperature industrial working conditions. This extensive coverage supports full-temperature-range reliability verification for most commercial and industrial products worldwide. For advanced industries such as semiconductors and military-grade manufacturing, customized temperature range expansion is available. As a professional Chinese manufacturer, Lab Companion provides tailored solutions to meet ultra-low and ultra-high temperature testing requirements for high-end global clients. 2.2 Multi-Rate Temperature Ramp Options for Flexible Testing Temperature ramp rate is the critical indicator that determines stress intensity and testing efficiency. The TC Series offers five standard ramp rates: 5℃/min, 10℃/min, 15℃/min, 20℃/min, and 25℃/min, supporting both linear and non-linear temperature change modes. Global users can select the optimal rate according to international standards and product specifications. • 5℃/min: Simulates natural gradual temperature changes, ideal for general environmental reliability testing. • 10℃/min: Balances testing efficiency and energy consumption perfectly, suitable for mass production screening of most standard industrial products. • 15℃/min: Applies medium-level thermal stress to expose potential latent defects in precision electronic components. • 20℃/min: High-stress accelerated cycling, greatly shortens test cycles and accelerates R&D iteration. • 25℃/min: Extreme rapid thermal cycling for stringent qualification of aerospace, semiconductor, and high-end industrial products. For typical semiconductor temperature cycling tests from -40℃ to +150℃, the 20℃/min rate significantly reduces single-cycle testing time, helping global laboratories improve throughput and speed up product launch schedules. 2.3 High-Precision Temperature Uniformity & Stability Precise temperature control during fast thermal cycling is the core benchmark of chamber quality. Lab Companion TC Series achieves industry-leading precision: Temperature Deviation: ±1.5℃, Temperature Fluctuation: ±0.1~±0.5℃, Temperature Uniformity: ≤±2℃. It ensures consistent thermal conditions throughout the test workspace for highly repeatable and reliable test data. Supported by an optimized closed-loop air circulation system and high-sensitivity sensor modules, the intelligent control system realizes real-time dynamic temperature adjustment, eliminating temperature dead zones and ensuring stable performance during long-term continuous operation.   3. Core System Design & Technical Advantages 3.1 Dual-Stage Cascade Refrigeration System The cooling system determines low-temperature performance and cooling speed. Developed and optimized independently by our Chinese R&D team, the TC Series adopts a high-efficiency dual-stage cascade refrigeration system. The system consists of high-stage and low-stage refrigeration loops connected via a condenser-evaporator for efficient heat exchange. The high-stage loop provides stable condensation capacity, while the low-stage loop delivers precise cooling capacity to the test chamber. This design effectively reduces compressor pressure ratio, improves overall cooling efficiency, and achieves stable ultra-low temperature performance down to -70℃. All core refrigeration components adopt international premium brands. Equipped with intelligent energy adjustment technology, the system automatically matches power output according to different temperature sections and ramp rates, ensuring stable operation and lower energy consumption for global users. 3.2 Q8 Intelligent Control System Lab Companion equips the TC Series with the self-developed Q8 intelligent control system, integrating AI fuzzy logic and self-tuning PID technology to achieve adaptive and precise temperature regulation. The system features a user-friendly large-color touchscreen with English-Chinese bilingual switching. Built with abundant standard test program templates and customizable multi-segment cycle logic, it easily adapts to complex international test standards. It supports real-time data display, automatic data storage, one-click data export, and automated test report generation. Remote monitoring function allows users to check device status and test progress remotely, realizing intelligent and unmanned laboratory management. 3.3 Multi-Layer Safety Protection Mechanism Safety is the fundamental guarantee for laboratory operation. Manufactured with strict Chinese industrial safety standards and international certification requirements, the TC Series is equipped with comprehensive multi-dimensional safety protection functions. Over-temperature protection: Independent temperature limit cut-off design triggers power cutoff and audible-visual alarm to protect test samples and equipment. System operation protection: Compressor overload, high/low pressure protection, fan failure alarm, and leakage protection ensure long-term stable operation. Operation safety interlock: The chamber door safety interlock automatically pauses testing once the door is opened, preventing high/low-temperature injury to operators. 4. Product Portfolio & Global Application Scenarios 4.1 Full-Size Product Matrix & Customization Service As a reliable Chinese manufacturer, Lab Companion provides a complete product size range to meet diverse testing demands, covering desktop small chambers to large walk-in thermal rooms. Desktop Series (50L~150L): Compact and flexible, ideal for R&D laboratories and small component testing. Standard Series (225L~1000L): The most popular global model for modules and small finished product batch testing. Walk-In Series (2m³~20m³): Customizable large space for whole-device, component, and multi-batch simultaneous testing. We also support full non-standard customization, including special temperature ranges, ultra-fast ramp rates, multi-zone temperature control, and explosion-proof design, providing exclusive solutions for global high-end clients. 4.2 Global Industry Applications With reliable quality and international standard compliance, Lab Companion TC Series has been widely exported and applied in semiconductor, automotive electronics, new energy, aerospace, medical, and communication industries worldwide. Semiconductor & Electronics: Accelerated thermal stress screening for chips, PCBs, and electronic components to eliminate latent manufacturing defects. Automotive Electronics: Complies with global automotive testing standards to verify the stability of automotive sensors, control units, and in-vehicle systems under extreme temperature fluctuation. New Energy Industry: Thermal cycling testing for battery modules and BMS systems to evaluate environmental adaptability and service life of new energy products. Lab Companion continues to deliver high-qualityMade in China environmental test equipment for high-end reliability verification across global industries. 5. Chinese Manufacturing Strength & Global Service Support 5.1 Independent R&D & Strict Quality Control Lab Companion belongs to a national-level high-tech enterprise in China with professional R&D capabilities and independent intellectual property rights. With 20+ years of experience in environmental test equipment manufacturing, we insist on independent innovation in refrigeration technology, structural design, and intelligent control algorithms. All products are manufactured under standardized ISO quality systems (ISO9001, ISO14001, ISO45001, ISO27001). Every chamber undergoes strict factory calibration and aging testing to ensure stable and consistent quality for global customers. 5.2 Global Service System & 24-Hour Support Headquartered in North China with a modern intelligent manufacturing base in Dongguan, South China, Lab Companion has built a complete service network covering the global market. We provide full-lifecycle services including pre-sales technical consultation, model selection, customized solution design, on-site installation and commissioning, operational training, and after-sales maintenance. We support 24-hour rapid response to ensure stable and continuous operation of customer laboratory equipment. Lab Companion — Reliable Made-in-China Environmental Test Solution Partner for Global Industries.

  ETIQUETAS CALIENTES : Cámara de prueba de ciclos de temperatura cámaras de prueba de cambio rápido de temperatura Cámara de prueba de temperatura y humedad cámara de simulación ambiental cámara de prueba de choque térmico cámara de prueba de temperatura ambiente

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