If there is an abnormal reaction in the high and low temperature test chamber during operation, how do we judge it? Below are two more frequent descriptions:
In the high temperature test, the temperature change does not reach the test temperature value: at this time we can check the electrical system and eliminate the fault one by one. If the temperature rises very slowly, it is necessary to check whether the regulating baffle of the wind cycle is normal. On the contrary, check whether the motor of the wind cycle is running normally. If the temperature is too high, you need to set the PID setting parameters. If the temperature rises directly and the temperature is over-protected, then the controller fails and the control instrument must be replaced.
The low temperature can not reach the test index: firstly, it is necessary to observe the change of temperature, whether the temperature drop is very slow, or the temperature has a rising trend after the temperature reaches a certain value. The former should check whether the studio is baked before the low temperature test. Dry, keep the studio dry and then put the test sample into the work room and then test it. If the test sample in the work room is placed too much, the wind in the workroom cannot be fully circulated, which is mainly due to the poor use environment of the equipment. To. After excluding the above reasons, it is necessary to consider whether it is a fault in the refrigeration system, so it is necessary to call the company's after-sales service phone, and ask the technician to carry out maintenance.
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