Original source: The heart is not as good as action: Precautions for high and low temperature damp heat test chamber Edit: Lin frequency instrument
The functional use of the high and low temperature damp heat test chamber is also well known in the ring test industry, but there are few details about its details. Therefore, the technical engineers of Shanghai Linpin Instrument Co., Ltd. summarized the following for everyone. Some considerations are also expected to help users in need to make reference:
1. The high and low temperature damp heat test chamber should be handled when the body tilt should not exceed 30°. Keep the vertical state of the box when transporting. Do not invert and lie horizontally. Do not grab the door handle or pull the condenser. Avoid damage to the equipment;
2. When the machine is not used for a long time, it should be energized regularly for the test box every month. The power-on time should be ≥1h;
3. Stick to the test sample after each test, and wipe the working chamber wall of the test chamber to keep the inner box clean;
4. The power supply voltage fluctuates greatly. If the power is turned off repeatedly, the use of the high and low temperature damp heat test chamber should be suspended, and the power supply should be turned off to prevent the compressor from being burned out. Do not power on the compressor immediately after the high and low temperature damp heat test chamber is stopped. It should be stopped after 2-5 minutes;
5. The test box should minimize the number of door opening during work operation and reduce the overflow of cold air;
6, circulating fan, condenser fan cleaning and balance: similar to the cleaning evaporator, because the working environment of the test box is different, the circulating fan and condenser fan will condense a lot of small particles such as dust, should be cleaned regularly;
7. Fix the condenser once every three months. The condenser fan should be regularly repaired and the condenser should be decontaminated and dedusted to ensure its good ventilation and heat transfer performance.
8. The high and low temperature damp heat test box should be placed in a place with good ventilation, low humidity and stable ground. There should be 60~70cm of use and maintenance space around.
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