GB/T 2424.7-2024 "Environmental Testing - Part 3: Supporting Documentation and Guidance - Temperature Chamber Measurements for Tests A (Cold) and B (Dry Heat) with Load" provides technical guidelines for temperature chamber measurements in low-temperature and high-temperature tests with loads. It is applicable to reliability assessment scenarios for various materials, products, and components. The standard clarifies performance indicators such as the temperature range, uniformity, and fluctuation of temperature chambers, specifies the technical requirements for temperature sensors and the placement of loads, and defines the suitability criteria for load materials and heat capacities across different temperature ranges. Additionally, it outlines the measurement procedures, calibration requirements, and the core components of supporting documentation, including equipment records, calibration reports, and raw data logs, ensuring the consistency, comparability, and traceability of test data.