GB/T 2424.7-2006 "Measurement of temperature test chamber for environmental test A and B (with load) of electrical and electronic products", standardizes the Measuring method of temperature test chamber for temperature test A and B (with load) of electrical and electronic products. The standard specifies the measurement requirements, measurement point arrangement, measuring instrument and data processing, etc., to ensure that the temperature test chamber can accurately simulate the temperature environment required for the test under load conditions, and provide technical support for ensuring the accuracy and Reliability of temperature test data of electrical and electronic products.