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The thermal shock test, also known as temperature impact test or high-low temperature impact test, is used to assess the product's adaptability to rapid changes in ambient temperature. It is an indispensable test in the identification test of equipment design and routine test in the batch production stage. In some cases, it can also be used for environmental stress screening tests. It can be said that the frequency of application of the thermal shock test box in verifying and improving the environmental adaptability of equipment is second only to vibration and high and low temperature tests.
Common implementation standards:
1. GJB 150-86 "Methods for Environmental Testing of Military Equipment"
2. CB 2423 "Basic Environmental Testing Regulations for Electrical and Electronic Products"
3. US Military Standard MIL-STD-810F "Environmental Engineering Considerations and Laboratory Tests"
The thermal shock test is the alternate exposure of the test sample to low temperature and high temperature air (or a suitable inert gas), subject to rapid temperature changes. Used to determine the ability of components, equipment, and other products to withstand rapid changes in ambient temperature.
Reference standards: GB/T 2423.22; IEC 60068-2-14; EIA-364-32; MIL-STD-202