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Qinzhuo Environmental Measurement Technology specializes in research and development of constant temperature and humidity test chambers, high and low temperature test chambers, cold and hot shock test chambers and other environmental test equipment. Based on many years of R & D and production experience, we have summarized the maintenance knowledge of constant temperature and humidity test chambers, which are referred to by users for reference:
1. High and low temperature test chambers are generally relatively high, we recommend placing them in a relatively benign temperature environment, our experience temperature value is 8 ℃ ~ 23 ℃, for laboratories that do not have this condition, must be equipped with appropriate air conditioners Or cooling tower.
2. The condenser is cleaned once every 3 months: for compressors that are cooled by air, the condenser fan should be regularly repaired and the condenser should be decontaminated and dedusted to ensure its good ventilation and heat exchange performance; for the compressor, water cooling is used. In addition to ensuring the inlet water pressure and inlet water temperature, the corresponding flow rate must also be ensured, and the interior of the condenser should be cleaned and descaled regularly to obtain its continuous heat exchange performance.
3. Regular cleaning of the evaporator: Due to the different cleanliness levels of the test products, a lot of small particles such as dust will condense on the evaporator under the action of forced wind circulation, and it should be cleaned regularly.
4.Cleaning and balance of circulating fan blades and condenser fans: similar to cleaning evaporator, due to the different working environment of the test chamber, many small particles such as dust will condensate on the circulating fan blades and condenser fans, and should be cleaned regularly.
5. Adhere to the professional management of dedicated personnel, and qualified units should send special personnel to the supplier's factory for training and learning from time to time to obtain more professional maintenance and repair experience and capabilities.
6. Waterway and humidifier cleaning: If the waterway is not smooth and the humidifier is fouled, it will easily cause the humidifier to dry and burn, which may damage the humidifier, so the waterway and humidifier must be cleaned regularly.
7. Insist on setting the temperature near the ambient temperature after each test, cut off the power after working for about 30 minutes, and wipe the wall of the working room clean.
8. If the equipment needs to be relocated, it is best to be carried out under the guidance of Hongzhan's technical staff to avoid unnecessary damage or damage to the equipment.
9. When the machine is not used for a long time, it should be regularly powered on every half a month, and the power-on time should not be less than 1 hour.
For the purchase of constant temperature and humidity test chamber, thermal shock test chamber, high and low temperature test chamber, please call our sales department. Qin Zhuo ring test, try what you think.
10. Maintenance principle: Since the high and low temperature test chamber is basically composed of multiple systems of electrical, refrigeration and mechanical, once the equipment has problems, the entire equipment system should be comprehensively inspected and comprehensively analyzed. Generally speaking, the process of analysis and judgment can be first "Exterior" and "later", that is, after first eliminating external factors, the system is first decomposed according to the fault phenomenon. Then the comprehensive analysis and judgment of the system are performed. Or the backward reasoning method can be used to find the cause of the fault: first follow the electrical wiring diagram Find out whether there is a problem with the electrical system, and finally find out whether there is a problem with the refrigeration system. Before you can figure out the cause of the failure, you must not disassemble or replace the parts to avoid unnecessary trouble.
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