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China Temperature Shock (wet heat cycle) Test Chamber Factories, Product
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China Temperature Shock (wet heat cycle) Test Chamber Factories, Product

China Temperature Shock (wet heat cycle) Test Chamber Factories, Product

A large - scale Temperature Shock (wet heat cycle) Test Chamber, used for simulating temperature shock and wet heat cycle environments to test product performance under extreme conditions. 

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Product Description

Test Step
1. Temperature shock
1.1 The test object is the battery pack or system
1.2 The test object is placed in an alternating temperature environment of (-40 ± 2) ℃~(85 ± 2) ℃, with a transition time between the two extreme temperatures within 30 minutes. The test object is kept in each extreme temperature environment for 8 hours, cycled 5 times, and observed at room temperature for 2 hours.
1.3 Requirement: The battery pack or system should have no leakage, shell rupture, fire or explosion. The insulation resistance value after the test shall not be less than 100 Ω/V
2. Damp heat cycle
2.1 The test object is the battery pack or system
2.2 Refer to GB/T2423.4 to perform test Db, with variables shown in Figure 4. The highest temperature is +80 ℃, cycled 5 times, and observed at room temperature for 2 hours
2.3 Requirement: The battery pack or system should have no leakage, shell rupture, fire or explosion. The insulation resistance value after the test shall not be less than 100 Ω/V
Damp Heat Cycle Chart 1
Damp Heat Cycle Chart 2
Y： Relative humidity,% RH；Y’： Temperature, ℃; X： Time, h； a： Cooling begins; b： End of heating up; C： One cycle ends. Figure 1 Damp Heat Alternating Cycle
Technical Parameters
ModelTAHW-12m³-5
StandardGB 31467.3 / GB 31485 etc
Inner sizeW2000 X D3000 X H2000 MM
Outer sizeW2300 X D5200 X H3000 MM
Temp range-70℃～+150℃（adjustable）
Humidity range20%RH-98%RH
Temp. fluctuation±0.5℃
Humidity fluctuation±2.5%RH
Temperature deviation±2.0℃
Humidity deviationA）＞75%RH：≤＋2，-3%RH；B）＜75%RH：≤±5%RH
Heating rate5℃/MIN(-40℃～+85℃, Nonlinear no-load)
Cooling rate5℃/MIN(+85℃～ -40℃, Nonlinear no-load)
Excessive temperature rise/fall＜2℃
Weight6T
Power supplyAC 380V 140KW
Noise≤75dB（A level）
Inner materialSUS # 304 stainless steel (1.2mm thickness) with sealing welding
Outer materialHigh-temperature spray coating
Controller7-inch TFT true color LED LCD touch screen
CompressorGerman Blog Compressor
Cooling methodWater-cooling
Safety SystemsExplosion proof lighting, video surveillance, pressure relief device, smoke exhaust, water supply subsystem, fire extinguishing devices, sprinkler systems, smoke alarm.
Frequently Asked Questions
What is the main application of this testing chamber?
It is primarily designed for environmental reliability testing of battery packs and systems, specifically focusing on temperature shock and damp heat alternating cycles.
What are the safety requirements after a Temperature Shock test?
The tested battery pack or system must show no leakage, shell rupture, fire, or explosion. Additionally, the insulation resistance should remain no less than 100 Ω/V.
Can the temperature and humidity range be adjusted?
Yes, the temperature range from -70℃ to +150℃ is fully adjustable, and the humidity range covers 20%RH to 98%RH to meet various testing standards.
What kind of safety features are integrated into the chamber?
The system includes explosion-proof lighting, pressure relief devices, smoke exhaust and alarm systems, fire extinguishing devices, and a video surveillance system for real-time monitoring.
What is the heating and cooling performance of the TAHW-12m³-5?
The chamber features a nonlinear no-load heating and cooling rate of 5℃ per minute within the range of -40℃ to +85℃.
What materials are used in the construction of the inner chamber?
The inner chamber is constructed from SUS #304 stainless steel with a thickness of 1.2mm, using professional sealing welding to ensure durability and leak-proof performance.

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