Regarding the high and low temperature test chamber, our company generally recommends that it be placed at a temperature of 8 ℃ ~ 28 ℃, the laboratory does not have this condition, must be equipped with an appropriate air conditioner. Adhere to the professional management and maintenance of special personnel. Qualified units should send special personnel to the supplier's factory for training and learning from time to time to obtain professional maintenance and repair experience and capabilities. The condenser is cleaned once every three months. If the compressor is cooled by air, the condenser fan should be regularly repaired and the condenser should be decontaminated and dedusted to ensure good ventilation and heat exchange performance. For compressors using water cooling, in addition to ensuring the inlet water pressure and inlet water temperature, the corresponding flow rate must also be guaranteed, and the inside of the condenser should be cleaned and descaled regularly to obtain its continuous heat exchange performance.
Because the price of high and low temperature test chamber is basically composed of electrical, refrigeration and mechanical systems. Therefore, once there is a problem with the equipment, it is necessary to comprehensively check and comprehensively analyze the entire equipment system. Generally speaking, the process of analysis and judgment can be carried out first, after the external factors are eliminated first, and then the system is decomposed based on the fundamental fault phenomenon. After the comprehensive analysis and judgment of the system, or you can also use the backward method to find the cause of the failure. First, check whether there is a problem with the electrical system according to the electrical wiring diagram, and finally find out whether it is a problem with the refrigeration system. Before you can understand the cause of the failure, you must not blindly disassemble or replace parts to avoid unnecessary trouble.
The high and low temperature test chamber also needs to clean the evaporator regularly, because the cleanliness of the samples varies, and under the action of forced air circulation, a lot of dust and small particles will condense on the evaporator, so regular cleaning is required. There are also waterway and humidifier cleaning. If the waterway is not smooth and the humidifier is fouled, it will cause the humidifier to dry and burn and damage the humidifier. Therefore, the waterway and humidifier must be cleaned regularly. It is also necessary to set the temperature around the ambient temperature after each test is completed, cut off the power supply after working for about 30 minutes, and then clean the interior wall of the working room. When the machine is not used for a long period of time, the product must be regularly energized every half month, and the energization time should not be less than 1 hour. How to maintain refrigeration system in high and low temperature test chamber
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