Detect Hidden Defects with Rapid-Rate Thermal Cycle Chambers
Our Environmental Stress Screening (ESS) chambers feature with controlled 5°C to 25°C/min temperature to continuously induce thermal fatigue.
Weak solder joints and material micro-cracks can be Exposed before products leave your factory permanently slashing your international RMA costs.
Stop Shipping "Blind Box" Liabilities: The Power of ESS
Rapid-Rate Thermal Cycle Chambers (ESS) act as your factory’s ultimate gatekeeper.
Unlike Thermal Shock chambers designed to structurally destroy prototypes during R&D, our JCT ESS chambers apply high-intensity “thermal fatigue” to 100% of your production batches.
Non-Destructive Defect Interception
By cooling and heating at exactly 10°C/min, materials expand and contract uniformly.
This strictly targets and descovers poorly soldered joints, loose screws, and flawed chip mountings.
Perfectly manufactured products will pass completely and can be shipped directly to clients.
Overcoming Live-Load Heat
Real reliability testing requires the product to be powered on.
Active 5G routers or EV batteries generate immense heat.
Our JCT-GN series features massive compressor system, forcibly dragging the chamber temperature down at the programmed rate
True Linear Control for Compliance
Cheap chambers show average cooling speed performance. They can cool fast at room temperature but will stall near -40°C.
Our advanced PID algorithms guarantee True Linear Control—maintaining a strict, unwavering line from +180°C down to -70°C, ensuring compliance with strict MIL-STD-810G and IEC 60068-2-14 Nb standards.
Select Your Constant Temperature and Humidity Chamber
JCT-GN-160S Benchtop Rapid-Rate Thermal Cycle Chambers
Ideal for smartphone PCBA screening and optical module testing
JCT-GN-230S Rapid-Rate Thermal Cycle Chambers
Ideal for smartphone PCBA screening and optical module testing
JCT-GN-370S Rapid-Rate Thermal Cycle Chambers
The most common sizes for automotive ECUs, 5G telecom routers, and standard electronics.
JCT-GN-500S Rapid-Rate Thermal Cycle Chambers
The most common sizes for automotive ECUs, 5G telecom routers, and standard electronics
JCT-GN-720S Rapid-Rate Thermal Cycle Chambers
Engineered with dual high-horsepower compressors to handle bulky EV battery packs and large display panels.
JCT-GN-1000S Rapid-Rate Thermal Cycle Chambers
Engineered with dual high-horsepower compressors to handle bulky EV battery packs and large display panels
Core Technology
High-Volume Air Exchange
The centrifugal fans Specially designed can force massive air convection through the single-zone workspace. They will ensure every surface of the product can experience the severe temperature shift simultaneously, completely eliminating testing blind spots.
Active Anti-Condensation
Rapid cooling naturally will risk condensation, and this will cause immediate short circuits on powered electronics.
For highly sensitive tests, our upgraded GF series utilizes dynamic dew-point calculations, when sharp thermal drops, it can actively adjust the internal humidity limits to keep your PCB surfaces 100% dry.
Applications
Rapid-Rate Thermal Cycle Chambers for Automotive Electronics
Advanced Driver Assistance Systems (ADAS) and Engine Control Units (ECUs) will endure over a decade of severe thermal expansion under the hood.
By Simulating engine starts under temperatures spike rapidly freezing cold, our ESS chambers induce controlled thermal fatigue.
This rapid 10°C/min cycling strictly verifies the lifespan of solder joints connecting heavy capacitors to PCBs.This can help you intercepte latent defects before they applied in-transit stalling and massive TS16949 compliance failures.
Rapid-Rate Thermal Cycle Chambers for Consumer Telecom
High-performance 5G routers and smartphones are densely packed and generate intense localized heat during operation.
By executing multi-day rapid cycling (5°C to 10°C/min) with the PCBA actively powered on and processing data, our JCT Rapid-Rate Thermal Cycle chambers safely induce thermal fatigue. This dynamic screening forces microscopic Surface Mount Technology (SMT) soldering flaws to fail on the factory floor, ensuring the device won’t freeze, crash, or drop signals during high-load outdoor usage.
Rapid-Rate Thermal Cycle Chambers for New Energy Batteries
Electric vehicle battery packs generate immense internal heat during fast charging and discharging cycles. Our JCT rapid-rate chambers execute precise cooling cycles while the battery is under a massive active heat load. This uniform thermal fatigue proves that delicate electrode tab welds will not tear under stress, successfully intercepting internal resistance spikes that ultimately lead to catastrophic thermal runaway and vehicle fires.
Rapid-Rate Thermal Cycle Chambers for Semiconductor & Advanced Packaging
Silicon dies, substrates, and epoxy molding compounds possess wildly different Coefficients of Thermal Expansion (CTE).
Executing high-intensity Temperature Cycling Tests (TCT) in strict accordance with JEDEC JESD22-A104, our JCT ESS chambers apply uniform thermal stress. This non-destructive screening efficiently culls out poorly packaged chips containing micro-cracks or weak wire bonds, protecting your perfect yield and preventing downstream motherboard failures
Rapid-Rate Thermal Cycle Chambers for Aerospace
As military aircraft ascend, external temperatures drop aggressively and linearly.
Our JCT rapid-rate chambers deliver true linear temperature drops dictated by strict MIL-STD-810G flight profiles, never trailing off at deep freezing points. This flawless linear ESS control proves that sensitive electronic pods and radar communication modules won’t suffer from signal integrity loss or mechanical fatigue during sudden atmospheric cooling and depressurization
Rapid-Rate Thermal Cycle Chambers for Displays & Optical Modules
Automotive dashboard displays and OLED screens are complex sandwiches of glass, polarizers, and Optical Clear Adhesive (OCA). Pure rapid temperature cycling creates aggressive expansion and contraction across these distinct layers. This thermal fatigue testing quickly reveals if the OCA will bubble, ripple, or severely delaminate at the edges after years of exposure to harsh cabin climates, permanently slashing your international RMA replacement costs
Technical Specifications
Rapid-Rate Thermal Cycle Chamber Technical Specifications
| Specification | JCT-GN-160S | JCT-GN-230S | JCT-GN-370S | JCT-GN-500S | JCT-GN-720S | JCT-GN-1000S |
|---|---|---|---|---|---|---|
| Test Space Volume | 150 L | 225 L | 370 L | 504 L | 720 L | 1000 L |
| Internal Test Size (W×D×H mm) | 600×600×460 | 700×700×480 | 800×900×510 | 800×900×700 | 900×1000×800 | 1000 × 1000 × 1000 |
| Exterior Chamber Size (W×D×H mm) | 800 × 1780 × 1480 | 900 × 1750 × 1910 | 1000 × 1930 × 1940 | 1000 × 1900 × 2050 | 1100 × 2000 × 2250 | 1200 × 2070 × 2630 |
| Temperature Range | -70℃ to +150℃ (180℃ optional) | |||||
| Temperature Fluctuation | ±0.5℃ | |||||
| Temperature Uniformity | ≤ 2.0℃ | |||||
| Temperature Deviation | ≤ ±2.0℃ | |||||
| Temperature Change Rate | Heating & Cooling: 5℃/min, 10℃/min, 15℃/min (empty load, acc. IEC 60068-3-5). Note: "F" denotes non-linear control; "X" denotes strict linear control. |
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| Refrigeration System | Water cooled, featuring heavy-duty semi-hermetic compressors | |||||
| Interior Material | SUS304 matte stainless steel plate | |||||
| Exterior Material | High-quality carbon steel with painting | |||||
| Heater Type | High-quality nickel-chromium alloy heater | |||||
| Blower System | High-volume centrifugal blower | |||||
| Observation Window | Heating film insulating glass (anti-condensation) | |||||
| Controller | Smart Touch Screen Controller with precise PID control | |||||
| Safety Protections |
• NFB (No fuse breaker) • Compressor over-pressure / heat / current protection • Over-temperature protection • Fan overload protection • Dry heat & water shortage alarms |
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| Standard Accessories |
• Sight window ×1 • Cable port (Φ50mm) ×2 • Shelves ×2 • LED Lighting ×1 • Mobile casters with foot cups |
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| Operating Environment | Ambient temperature: +5℃ to +35℃ | |||||
| Power Supply | 380V AC 3Φ 50Hz | |||||
OUR CORE ADVANTAGES
Why Choose Us
With over 10 years of rich industry experience, we are committed to served as a comprehensive technology manufacturer partner worldwide.We understand that your successful product relies on two core pillars: efficient manufacturing and uncompromising quality control.As a result, we offer a dual-core product line: first, laser and FAB solutions that ensure efficient manufacturing; and second, environmental test chambers for testing the performance of your products—all designed to address your specific industry issues and challenges.
Industry-Specific Customization
Whether you’re in the sheet metal or metalworking industries, or specialize in testing semiconductors and automotive electronics, our equipments all can be customized to meet your specific needs. We don’t just sell standard machines—we provide precise solutions that perfectly match your material and environmental requirements.
High-Efficiency Manufacturing
In the manufacturing process, time is your most valuable treasure. We offer fiber laser welding, cutting, and cleaning,etc solutions . All of them can provide deep penetration, distortion-free welding, precise cutting, and efficient cleaning for sheet metal and various types of metal processing.
Compliance and Quality Control
We ensure that your finished products can pass the most rigorous environmental testing. Our environmental test chambers help you meet strict global standards such as JEDEC, AEC-Q100, and key battery safety certifications, all these can shorten your R&D cycle and eliminating the risk of customer returns .
10+ Years & Global Support
With over a decade of technical expertise and a robust supply chain, we guarantee on-time delivery worldwide. More importantly, our engineering team will provide lifetime technical support, and we are committed to being your stable and reliable partner and friend for life.
GLOBAL PARTNERSHIPS
Trusted by Industry Leaders Worldwide
We take pride in powering the success of top-tier global manufacturers, research institutions, and industrial leaders. Our advanced laser and testing solutions are trusted worldwide to deliver uncompromising quality and peak performance.














FAQ
Q1: What exactly is a Rapid-Rate Thermal Cycle (ESS) Chamber?
It is an aggressive environmental stress screening tool. It uses oversized refrigeration to rapidly ramp temperatures up or down (e.g., 10°C to 25°C per minute) in a single zone, forcing hidden manufacturing defects (like weak solder) to fail before the product leaves your factory
Q2: What is the difference between "Linear" and "Non-Linear" temperature rates?
A non-linear chamber cools very fast initially but slows down drastically as it gets colder.
A linear chamber maintains a strict, constant cooling speed (e.g., exactly 10°C per minute) from the hottest point all the way down to freezing, which is mandatory for aerospace and military compliance
Q3: Does this chamber also control humidity?
The Rapid-Rate Thermal Cycle Chambers series is dedicated to pure temperature cycling.
If your test requires dynamic moisture control during rapid transitions,
we offer temperature and humidity chambers series, which is specially equipped with anti-condensation dew-point technology.
Q4: Which testing standards can this equipment meet?
The JCT-GN series executes rigorous global standards, including IEC 60068-2-14 (Test Nb), JEDEC JESD22-A104, and various MIL-STD-810G linear profiles.
Q5: We aren't sure what ramp rate (5°C, 10°C, or 15°C/min) we need. Can you help?
Please share your product’s dimensions, weight, materials, and active heat wattage with us. Our thermal engineers will calculate the exact specifications needed to ensure your tests are both compliant and cost-effective.
Q6: What is the interior and exterior material composition of the chamber?
The interior work area is made from SUS304 matt stainless steel sheet, whilst the exterior features a high-quality powder-coated finish with a scratch-resistant industrial protective coating.
Q7: How do I export my test data and temperature curves for my client compliance reports?
You can easily export historical testing data, temperature curves, and alarm logs via a USB flash drive, this allows you to attach clean digital records directly to your quality assurance reports.
Q8: What power supply and voltage requirements are needed for installation?
The JCT-GN rapid-rate chamber series operates on an industrial standard 380V AC, 3-Phase, 50Hz power supply. Please ensure your facility has the correct heavy-duty electrical wiring and circuit breaker ready before deliveried
Q9: What is the typical lead time and how is the equipment packed for international shipping?
Standard models usually take about 30 to 45 days to manufacture, strict factory calibration, and burn-in testing. For delivery package, the chamber is securely wrapped in moisture-proof plastic film, reinforced with foam padding, and packed inside a sturdy export-grade fumigated wooden crate to prevent transit damage.
Q10: Do you provide installation support or operation training for our lab technicians?
Yes. We provide comprehensive English operation manuals, electrical wiring diagrams, and step-by-step video guides. Furthermore, our technical team can supply online for remote video assistance to guide your local technicians through initial setup, calibration, and controller programming.
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Get a Factory-Direct Custom Quote
Do not guess your required cooling capacity. Tell our thermal engineering team your payload weight, required ramp rate (e.g., 10°C/min), and live-load heat dissipation. We will calculate the exact JCT-GN model and horsepower required for your production line within 12 hours.







