What should I do if the rapid temperature change test box does not reach the set value?
The rapid temperature change test chamber can simulate the test of the product in high and low temperature environment. However, if the simulated temperature environment does not meet the set requirements, it will have a great influence on the detection effect and accuracy, and the rapid temperature change test box has high and low temperature. How to deal with the set value?
The rapid temperature change test chamber does not reach the test index:
If the high temperature does not reach the test temperature value, it is necessary to check the electrical system to eliminate the fault one by one. If there is a situation where the temperature rises very slowly, it is necessary to check whether the air circulation regulating baffle of the air circulation system is normally open, and whether the motor without the air circulation is operating normally or not. If the temperature overshoot is too high after reaching the high temperature, then you need to set the PID setting parameters. If the test box continues to rise after reaching the set temperature, it is already higher than the over temperature protection setting value, then the temperature and humidity controller is out. The fault, which requires the replacement of the control instrument.
The rapid temperature change test chamber does not reach the test index:
In this case, it is necessary to observe the change of temperature, whether it is a slow temperature drop or a rising trend after the temperature reaches a certain value. If the temperature drops very slowly, it is necessary to insist whether the studio is dried before the low temperature test, and the number of samples in the working room is too much. If the sample is too much, the wind in the working chamber cannot be fully circulated, and the product has heat. This condition may cause the temperature inside the test chamber to decrease too slowly. Otherwise, it is necessary to check whether the refrigeration system of the equipment has failed. Professionals are required to come to the repair!
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