The thermal shock test chamber is divided into three boxes and two boxes according to the test requirements and test standards, the difference is that the test method and internal structure are different. Three zone thermal shock test chamber is divided into a cold storage zone, a heat storage zone and a test zone, and the product is placed in the test zone during testing.

1. What criteria do you need to determine for a test sample? For example, China's current testing standards (national standard GB, Ministry standard JB, line standard HB), and international standard ISO or American standard ASMI and so on.

The internal impurities of the temperature and humidity test chamber should be cleaned before operation. The outside of the cabinet and the power distribution room should be wiped with soapy water. The cleaning frequency should be cleaned at least once a year.