ESS Chambers: Ensuring Product Reliability Through Stress Testing
Environmental Stress Screening (ESS) chambers are advanced testing systems designed to detect early-life failures and manufacturing defects in products by exposing them to accelerated environmental conditions. These chambers simulate rapid temperature changes, vibration, humidity, and other stressors that products may encounter during their lifecycle. By replicating extreme operational environments, ESS chambers help manufacturers identify weaknesses or design flaws, ensuring only high-quality, reliable products reach the market. This process is particularly valuable for industries that demand rigorous quality control, such as aerospace, automotive, defense, and electronics.
Applications of ESS Chambers
ESS chambers are used to screen a wide variety of products, including circuit boards, electronic assemblies, mechanical components, and battery systems. These chambers simulate real-world stress conditions that could lead to failures, such as rapid temperature cycling, high humidity, and mechanical vibrations. In the electronics industry, ESS testing helps ensure that sensitive components can endure the stress of assembly, shipping, and operational environments. Aerospace and defense industries rely heavily on ESS testing to guarantee the reliability of mission-critical components, while automotive manufacturers use ESS chambers to validate the performance of safety-critical systems like sensors, control units, and electrical subsystems.
ESS Testing Standards
To ensure consistency and accuracy, ESS chambers are designed to meet various international standards, including MIL-STD-810 for environmental engineering considerations, MIL-STD-2164 for ESS procedures for electronic equipment, and IEC 60068-2 for environmental testing methods. For vibration testing, standards like ISO 16750 and ASTM D4728 may apply, depending on the industry and product. These standards define the parameters for stress screening, including the rates of temperature change, vibration frequencies, and humidity levels, ensuring that tests accurately mimic real-world conditions. Torontech’s ESS chambers are engineered to comply with these global standards, offering precise control, customizable testing options, and reliable results to meet the diverse needs of quality-driven industries.
| Model No. | ToronESS-150S F/X | ToronESS-225S F/X | ToronESS-370S F/X | ToronESS-504S F/X | ToronESS-720S F/X | ToronESS-1000S F/X |
|---|---|---|---|---|---|---|
| Test Space Volume（Liters） | 150 | 225 | 370 | 504 | 720 | 1000 |
| Inner chamber size W×H×D(mm) | 600×600×460 | 700×700×480 | 800×900×510 | 800×900×700 | 900×1000×800 | 1000×1000×1000 |
| Exterior chamber size W×H×D(mm) | 800×1780×1480 | 900×1750×1910 | 1000×1930×1940 | 1000×1900×2050 | 1100×2000×2250 | 1200×2070×2630 |
| Temperature range | -70°C to +150°C (180°C optional) | |||||
| Temperature fluctuation | ±0.5°C | |||||
| Temperature uniformity | ≤ 2.0°C | |||||
| Temperature deviation | ≤ ±2.0°C | |||||
| Temperature change rate acc. IEC 60068-3-5 | Heating rate 5°C/min, 10°C/min, 15°C/min, cooling rate 5°C/min, 10°C/min, 15°C/min (empty load) F: non-linear control X: linear control |
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| Exterior chamber material | High-quality carbon steel with painting | |||||
| Interior chamber material | SUS304 matte stainless steel plate | |||||
| Insulation material | Rigid polyurethane foam insulation | |||||
| Refrigeration system | Water cooled | |||||
| Semi-hermetic compressor | ||||||
| Heater | High-quality nickel-chromium alloy heater | |||||
| Blower | Centrifugal blower | |||||
| Observation window | Heating film insulating glass | |||||
| Controller | Touch Screen Controller with PID control | |||||
| Safety protection device | NFB(No fuse breaker), over pressure, over heat and over current protectors for compressor, over temperature protectors, over load protector of fan, dry heat protector, short of water protector | |||||
| Standard accessory | Sight window*1, Cable port(port Φ50mm*2), Shelves*2, LED Lighting device*1 Mobile Casters with foot cups |
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| Ambient temperature | +5 to +35°C | |||||
| Voltage | 380V AC 3Ø 50Hz | |||||
| Customization service | Non-standard or special requirements can be customized. | |||||
