What is the function of defrosting in high and low temperature test chambers, and how is defrosting equipment? Why is defrosting during the test operation? High and low temperature test chambers will produce frost during the test product test. It will have a certain impact on the test, so the high and low temperature test chamber has the defrosting function during the test.
The defrost of the high and low temperature test chamber is mainly cooled by the compressor, and the moisture in the air is condensed into ice crystals, and the frost for defrosting in the high and low temperature alternating test chamber is mainly on the energy storage component in the pre-cooling zone.
The high and low temperature test chambers exchange heat mainly by mutual conversion of airflow in the tank. Moreover, the air inside the box is isolated and sealed from the air outside the box. Since the tank is closed, the moisture in the tank is quantitative. From a theoretical point of view, it is impossible to add some water to form a frost body. Then, where is this extra moisture formed? At the time, the user opens the box door of the high and low temperature test chamber, and the air of the box forms an air exchange with the outside, and the moisture in the air enters the box. Therefore, when using the high and low temperature test chambers for product testing, it is not allowed to open the door of the box, which will not only increase the frost, but also the uncertainty of the test data.
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