Environmental Stress Screening ESS Test Chamber

Name: Environmental Stress Screening ESS Test Chamber
Brand: Xi'an LIB Environmental Simulation Industry

Rapid Temperature Change Chamber for High-Reliability Electronic Testing

The Environmental Stress Screening (ESS) Test Chamber from LIB industry is designed to quickly identify hidden manufacturing defects in electronic components, assemblies, and high-reliability systems by applying rapid thermal stress conditions far beyond conventional environmental testing.

By simulating extreme temperature transitions from -70°C / -40°C / -20°C up to +150°C, and achieving rapid temperature change rates up to 5–20°C/min, this ESS chamber accelerates failure detection and significantly improves product reliability before field deployment.

Unlike traditional temp and humidity chambers with slow transition rates (1–3°C/min), ESS testing forces components through intense thermal expansion and contraction cycles, revealing latent defects such as solder joint defects, material fatigue, and connector failures.

Standard Models : TR5-100, TR5-225, ..., TR5-1000 and more customized models.

Applicable Standards: AAMA501, ASTM D4169-16, IEC 61215, IEC 61646, IEC61108, IEC62688, MIL-STD-810D

Environmental Stress Screening ESS Test Chamber Features and Benefits

1. Rapid Temperature Change Capability

Achieves heating/cooling rates of up to 15–30°C/min, significantly exceeding standard environmental test chambers. This enables swift identification of potential product defects and enhances testing efficiency.

2. Multi-Stress Combination Capabilities

Beyond temperature cycling, optional features like humidity, vibration, and electromagnetic interference enable combined environmental stress testing to meet stringent reliability verification requirements.

3. Wide Temperature Range for Diverse Applications

Supports multiple starting points (-70/-40/-20°C to +150°C) to meet various testing requirements for electronics, aerospace, automotive, and other high-reliability industries.

4. Modular and Customizable Design

Non-standard customization is available based on product dimensions, test conditions, and interface requirements—such as adding monitoring windows or data acquisition interfaces.

Specifications of Environmental Stress Screening ESS Test Chamber

Model	TR5-100	TR5-225	TR5-500	TR5-800	TR5-1000
Internal Dimension (mm)	400500500	500600750	700800900	80010001000	100010001000
Overall Dimension (mm)	90010501620	100011401870	120013402020	130015402120	150015402140
Interior Volume	100L	225L	500L	800L	1000L
Heat load	1000W
Temperature Range	A : -20℃ ~ +150 ℃ B : -40℃ ~ +150 ℃ C: -70℃ ~ +150 ℃
Temperature Fluctuation	± 0.5 ℃
Temperature Deviation	± 2.0 ℃
Cooling Rate	10℃/min (15℃/min)
Heating Rate	10℃/min (15℃/min)
Controller	Programmable color LCD touch screen controller, Multi-language interface, Ethernet , USB
Cooling System	Mechanical compression refrigeration system
Exterior Material	Steel Plate with protective coating
Interior Material	SUS304 stainless steel
Power Supply	380V
Maximum Noise	65 dBA

Details of Environmental Stress Screening ESS Test Chamber

Workroom	SUS304 for corrosion resistance and long-term durability. High-density insulation ensures minimal heat loss and improved energy efficiency. Observation lighting for clear sample monitoring. Adjustable shelves(double） accommodate various product sizes and quantities.
Test Port	Multiple test ports (Φ50mm or Φ100mm) for power cables, signal lines, or external sensors. Each port is sealed with silicone plugs to prevent leakage and maintain chamber integrity. Customizable port size and position to meet different testing setups.
Refrigeration System	Eco-friendly refrigerants in compliance with international environmental standards. Dual-stage refrigeration design achieves low temperatures down to -70°C. Options for air-cooled or water-cooled condensers for various lab environments.
Controller	Color touchscreen for easy and intuitive operation,multi-program segment control. Data logging and export via USB or LAN .Remote monitoring and diagnostics available via PC.
Air Circulation System	High-performance centrifugal fans ensure uniform airflow and temperature distribution. Independent air duct design eliminates hot and cold spots.

Get a Customized ESS Solution

Every product has unique testing requirements. LIB industry provides fully tailored ESS chambers designed to match your exact specifications and compliance standards.

Get your solution today: