Source: Sources of constant temperature and humidity test chamber evaporation temperature is too low Edit: Lin frequency instrument The same specified standards are displayed in the constant temperature and humidity test chamber test. Each system under the test state of the test machine has its own working effect, and the relevant test treatment is carried out in combination with the test requirements. In the case where the evaporating temperature is too low in the refrigeration system of the constant temperature and humidity test chamber, what kind of factors are causing the situation in the test in strict accordance with the standard? The refrigeration system plays a key role in the temperature test chamber, and temperature problems seriously affect the normal test. Then you have to give it to everyone: First, the surface of the direct evaporative cooler is frosted or icing, thereby increasing the heat transfer resistance and affecting the heat transfer effect, so that the evaporation temperature is gradually reduced to reduce the evaporating pressure; Second, in the refrigeration system of its constant temperature and humidity test chamber, there is fouling, especially in the Freon system, and because the dirt will make the drying filter and the thinner pipeline block, so the system will There will be moisture to affect the phenomenon of ice blockage caused by the expansion valve; 3. Insufficient refrigerant in the refrigeration system of the constant temperature and humidity test chamber; 4. The cooling water of the water cooling system is excessive, so that the refrigerant amount is too small, and the flow rate of the cooling water and the refrigerant must be adjusted; 5. If the load adjustment switch is not open enough, the refrigeration capacity of the refrigeration equipment is greater than the required heat load. The constant temperature and humidity test chamber refrigeration system stacks different capabilities and checks each key point when some conditions occur. Best Sanitary Napkins,Sanitary Napkins Online,Disposable Sanitary Napkins,Biodegradable Sanitary Napkins Shandong Tianzige International Trade Co., Ltd , https://www.sdbabydiapers.com
Various factors of low evaporating temperature in constant temperature and humidity chamber