The rapid temperature change test box several maintenance problems The rapid temperature change test box three major problems solution method
The rapid temperature change test chamber is used to test the performance of materials in various environments and to test the heat, cold, dry and moisture resistance of various materials. The following will introduce the common three major problems and treatment methods of the rapid temperature change test chamber.
1. When the rapid temperature change test box suddenly fails during the test operation, the corresponding fault display prompt appears on the control instrument and there is a voice alarm prompt. The operator can quickly check which type of fault belongs to in the troubleshooting section of the operation of the equipment, and the professional can quickly eliminate the fault to ensure the normal operation of the test. Other environmental test equipment will have other phenomena in use, it must be specific phenomena, specific analysis and exclusion.
2. In the high temperature test, if the temperature change does not reach the test temperature value, the electrical system can be checked and the failures can be eliminated one by one. If the temperature rises very slowly, it is necessary to look at the air circulation system and see if the adjustment baffle of the air circulation is turned on normally. On the contrary, check whether the motor operation of the air circulation is normal. If the temperature overshoots badly, then you need to set the PID setting parameters. If the temperature rises directly, the controller fails and the control instrument must be replaced.
3, rapid temperature change test chamber can not reach the test index, then you have to observe the temperature changes, clearly the temperature drop is very slow, or temperature to a certain value after the temperature has risen. The former must check whether the studio is to be dried before the low temperature test, so that the studio is kept dry and then the test sample is put into the work chamber and then tested. The test sample in the work chamber is placed too much, so that the work room The wind cannot be fully cycled. After eliminating the above reasons, it is necessary to consider whether it is a fault in the refrigeration system. In this case, it is necessary to ask the factory's professionals to perform the repair. The latter phenomenon is caused by the poor use environment of the constant temperature and humidity chamber equipment. The ambient temperature of the equipment and the location of the equipment must meet the requirements.
Because of the time limit for use, the rapid temperature change test chamber with a long running time will inevitably lead to a variety of minor faults. Usually, attention is paid to regular maintenance and maintenance. Generally, most of them can be avoided. If you encounter a major technical problem, you can contact the manufacturer of the rapid temperature change test chamber in time to seek solutions.
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