See ZB N61 012 for the test method of the overall noise of the high-temperature test chamber. The results shall be in accordance with Article 4.3.4 of the Regulations. as follows:
1. The performance test method of the safety protection device; the noise test of the high-temperature test box and the test and evaluation method of the sealing performance of the door 2. The test procedure: a. Choose 3 temperatures from the temperature grade of 4.1.1 of this standard Test temperature; b. In the process of heating up, set the alarm and protection temperature in sequence on the safety and protection device. When the temperature at the geometric center of the workshop reaches the set value, the alarm device should send a signal and the safety protection device should Turn off the power immediately.
3. Evaluation of test results: During the test, if the alarm and protection device are activated every time, the requirements of Article 4.3.2 of the standard are met.
Inspection and evaluation methods for the sealing performance of the test box door:
1. The inspection is carried out once before the start of the tests of Articles 5.2 to 5.8 of this standard and after the completion of all tests;
2. Place a paper strip with a thickness of 0.1mm, a width of 500mm, and a length of 200mm vertically at any location between the door frame and the door door seal. After closing the door, gently pull the carton by hand. If it cannot slide freely, it conforms to this Standard 4.2.5 requirements;
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