Why does the cooling of the high and low temperature test chamber slow down?

　　The high and low temperature test chamber is a commonly used instrument in the laboratory, used to simulate the adaptability of the product under various conditions such as climatic environment, temperature and humidity. It is suitable for testing the aerospace industry, automation parts, electronic and electrical parts, instrumentation, materials, plastics, food, pharmaceutical industry and related products for heat resistance, cold resistance, humidity resistance, low temperature resistance, humidity resistance, and dry resistance, products Quality Control.

　　 Under normal circumstances, the operating time and temperature of the high and low temperature test chamber have strict regulations, but due to improper use or improper operation of the operator, the cooling rate of the equipment will be reduced. Some points need to be emphasized in order to attract the attention of all parties:

　　 1. Excessive dust on the equipment condenser will affect the cooling effect. Clean the condenser with cleaning agent on time.

　　 2. When the temperature of the equipment is too high, cooling measures should be taken, such as installing an air conditioner indoors, or opening the lower baffle, and using a fan to achieve the cooling effect.

　　 3. When using, check whether the sample is charged or not. If it is charged, measure the calorific value of the charged sample. If the calorific value is less than 300W, the test chamber will not be affected. However, too much heat will cause the temperature in the box to cool down slowly, and it will not reach the originally set temperature drop, which will affect the accuracy of the test.

　　 4. Observe whether the fan starts normally when the box is running.

　　 5. Check the suction and discharge pressure of the refrigeration system, test whether the cooling speed is insufficient, and the refrigeration system is the key to equipment cooling. If there is a problem, the high and low temperature test chamber will inevitably be affected.

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