The test sample generates heat when the high and low temperature damp heat test chamber is running at a low temperature, and absorbs heat when the high temperature is operated; the heat generated by the test sample affects the test box.
In general, when manufacturers design and develop a device, there will be special treatment in the heat generation, in order to ensure that the device's extreme low temperature can be stably operated for a long time.
When doing low temperatures, the refrigeration system is matched to the amount of heat generated by the test sample. Normally, a high-low temperature damp heat test chamber with a temperature of -60 degrees is idling, and can actually do -63 degrees or even -65 degrees, but we can't be empty when using it.
We put test samples during the test. In general, there is not much concept of whether there is heat generation after putting the test sample into it. In order to avoid the situation that the temperature is not reached, the temperature is not lowered, or the temperature is slow .
It is necessary to tell the manufacturer about the heat requirement, or the material, weight and size of the sample. This will effectively help the test and make the high and low temperature alternating heat and humidity test box better.
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