Ai Silu analyzes the operation precautions of the high-low temperature damp heat test box
Do not open the door of the cabinet during the test unless it is necessary during the test, otherwise it may cause the following undesirable consequences:
1. The inner side of the door still maintains a high temperature (causing a burn)
2. High temperature air may trigger fire alarm and cause malfunction
3. High-temperature airflow out of the box (very dangerous)
Second, before doing low temperature, the studio should be wiped dry at 60 °C 1h
Third, to prohibit the test of explosive, flammable and highly corrosive substances
Fourth, if the box is placed in a hot sample, the sample power control, please use the external power supply, do not directly use the machine power supply. When putting in a high-temperature sample for a low temperature test, it should be noted that the time to open the door must be as short as possible.
5. Circuit breakers and over-temperature protectors provide safety protection for the test products and operators of the machine, so check regularly.
6. Avoid shutting down and restarting the refrigeration unit in three minutes
7. The lights should be turned off except when necessary, and should be turned off the rest of the time.
8. Please note that the machine must be grounded safely to avoid static induction
9. On any section of the vertical dominant wind direction, the sum of the cross-sectional areas of the test load shall not be greater than one third of the working section at that location.
Ten, when doing high temperature test, when the temperature exceeds 55°C, do not open the cold machine.
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