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Seven precautions for high and low temperature test box maintenance
Seven precautions for high and low temperature test box maintenance
Many users do not know how to maintain the high and low temperature test chamber after buying the high and low temperature test chamber. In order to increase the service life of the high and low temperature test chamber, during the use of the user, please follow the seven points below.
I. Confirmation of water supply:
1. Is there enough water in the water tank?
2. Whether the water tank lid is closed properly.
3. Whether the drain switch is reset.
2. Confirmation of wet ball test cloth:
1. Is it clean?清洗 Clean once a month and change the test cotton every three months 月
2. Is it wet?时 When there is water in the water supply tank and the water level controller's water level is normal, the test cloth cannot be wetted, please replace it with a new test cloth ﹞
3. Confirmation of power and grounding wires: Whether the power wires are properly connected in accordance with the specifications and are indeed grounded
4. Confirmation of the drainage pipe: Whether the drainage pipe is properly connected.
V. Check if the dry bulb over temperature protection switch is set to high temperature plus (20 ℃ ~ 30 ℃)
Over-temperature protector temperature set point = temperature set point (20 ℃ ~ 30 ℃)
Confirmation of the humidifying water tray of the humidifier
1. Is the water level normal? After three to five minutes after the humidifier supplies water, check whether the water level of the water level control box is normal.
2. Whether the water heater of the humidifier is clean (the humidifier water tray of the humidifier should be drained regularly and washed with a brush to keep it clean).
7. Check whether the wet bulb over-temperature protection switch is set to 120 ° C.
Remove the test cloth when doing only temperature. If the test cloth is operated at a high temperature of 85 ° C or higher, the test cloth should be replaced before the next operation, otherwise water may not be absorbed. When changing the new test cloth, please wash your hands first, otherwise the test cloth will lose its function and cannot absorb water. (When the test cloth is packed, it is sterilized)
Note: After the above items are determined, lower the fixing feet and fix them properly.