High temperature box GB/T13543-1992 standard high temperature working test program
High Temperature Test Procedure - GB/T 13543-1992 Standard The high temperature working test is an essential part of evaluating the performance and reliability of equipment under extreme thermal conditions. This procedure follows the guidelines outlined in the GB/T 13543-1992 standard, ensuring consistency and accuracy in testing. Pretreatment: Before beginning the test, the sample must be placed under normal atmospheric conditions until it reaches a stable temperature. This step ensures that the device is in a neutral state before any environmental stress is applied. Initial Testing: Prior to exposure to high temperatures, the sample should undergo a series of electrical, mechanical, and visual inspections under standard test conditions. All results should be carefully documented for comparison with post-test data. Test Phase: The sample is then placed into the high-temperature chamber and gradually cooled to the lowest operating ambient temperature specified by the product’s requirements. Once the temperature stabilizes, the device is operated under these conditions for the duration specified in the product standard or technical documentation. During this time, intermediate tests may be conducted as required by the test protocol. Recovery Phase: After the test period, the sample is turned off and allowed to return to normal atmospheric conditions within the chamber. The cooling rate should not exceed 10°C per minute to avoid thermal shock. The sample is left until its temperature stabilizes again. Final Testing: Following recovery, the sample is retested using the same electrical, mechanical, and visual inspection procedures as the initial test. The results are compared with the pre-test data to assess any changes or degradation caused by the high-temperature exposure. This structured approach ensures that the equipment's performance under high-temperature conditions is thoroughly evaluated. By following the GB/T 13543-1992 standard, manufacturers can ensure their products meet the necessary quality and safety requirements. Whether for industrial, commercial, or consumer applications, this test procedure plays a crucial role in product development and validation.
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