Proper use and operation of high and low temperature impact test chambers not only provide accurate basis for inspectors, but also extend the life of their equipment. Here are some of the correct ways to use the high and low temperature impact test chambers:
1. Reasonably select the test equipment. In order to ensure the normal operation of the test, the appropriate test equipment should be selected according to the different conditions of the test sample, and a reasonable ratio should be maintained between the test sample and the effective volume of the test chamber. For the test of the heat test sample, the volume should be no more than one tenth of the effective volume of the test chamber. For non-fever test samples, the volume should be no more than one-third of the effective volume of the test chamber.
2. When conducting the test, be familiar with the sample performance, test conditions, test procedures and test techniques of the required test, be familiar with the technical performance of the test equipment used, and have an understanding of the construction of the high and low temperature impact test chamber. Especially familiar with the operation and performance of the controller. Also carefully read the operating manual of the test equipment, in order to avoid the failure of the test equipment due to operational errors, resulting in damage to the test sample, the test data is not accurate.
3. Place the test sample correctly. The placement of the test sample shall be more than 10 cm from the wall of the high and low temperature impact test chamber, and multiple samples shall be placed on the same plane as much as possible. The sample should be placed without blocking the air outlet and return air, and the temperature sensor should also be set a certain distance. This will ensure the accuracy of the test temperature.
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