Talk about the placement of samples in the high and low temperature test chamber test
When testing high and low temperature test chambers, the size of the test samples, the type and placement of the test samples are clearly defined. This article provides a detailed introduction to the placement of test samples and other considerations:
First, the test sample volume should preferably not exceed 1/3 of the inner and outer volume of the high and low temperature test chamber. If it exceeds, it may affect the circulation of the duct in the test chamber, thus affecting the uniformity.
Then, the test sample should be placed in the middle of the box, can not cover the upper air duct, and can not be directly placed on the surface of the box. It is necessary to adjust the sample rack according to the size, shape, weight and quantity of the product to be tested. the distance.
Then, if the test sample is a rubber-based product, it needs to be padded with a plate to prevent it from being melted on the sample holder after high-temperature melting.
Finally, it should be noted that if the test sample is a liquid, it must be filled with a container and must not be spilled. If it is a volatile, easily explosive, natural sample, it is recommended not to test, if necessary, the temperature should not be too high.
Tips: If the high and low temperature test chambers need to be tested for external power supply, the wires should be connected to the test hole. Do not let the wires entangle them together to avoid danger.
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