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Inspection and maintenance of constant temperature and humidity testing machine

Date: Aug 09,2021 Views: 314

The water storage in the humidifier should be replaced once a month to ensure the water quality is clean, and the humidifying pan should be cleaned once a month to ensure the smoothness of the water.

 

Inspection of the over-temperature protector of the constant temperature and humidity testing machine. When the constant temperature and humidity test chamber is running, the maximum value of the over-temperature protection setting is added with 20-30. When the temperature in the test chamber rises to the set point of over-temperature protection, the heater's power supply is stopped, and the over-temperature warning light of "OVERHEAT" is on, but the fan is still running, running for a long time and unattended , Please confirm the over-temperature protector before operation, and confirm whether the appropriate over-temperature protection value is set.

 

Constant temperature and humidity testing machine condenser dust removal The condenser should be regularly maintained monthly. Use a vacuum cleaner to remove the dust attached to the condenser cooling net, or use high-pressure air to remove the dust.

 

The replacement of the wet ball test cloth of the constant temperature and humidity testing machine, the surface of the test cloth is not clean or hardened, after the temperature control is over, the test cloth must be replaced before the wet ball degree is continued to be controlled. Generally, it needs to be replaced every three months. Wipe the temperature measuring body with a cleaning cloth when replacing it, and clean it first when replacing a new test cloth.

 

Check the wet bulb water level of the constant temperature and humidity testing machine and adjust the water level of the water tank not to be too high. If the water overflows or is too low, the wet ball test cloth absorbs abnormally, and the water level that affects the accuracy of the wet ball is about 6 points. The adjustment of the water tank level can adjust the height of the water tank.

 

The constant temperature and humidity testing machine will not be used for a long time, and the equipment will be energized every month for more than 1 hour.




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