Which items can replace the constant temperature and humidity box wet ball gauze

The constant temperature and humidity chamber is used to test the performance of materials in various environments and to test various materials for heat resistance, cold resistance, dry resistance and moisture resistance. Suitable for the quality of electronic, electrical, communications, instrumentation, vehicles, plastic products, metals, food, chemicals, building materials, medical, aerospace and other products. Wet ball gauze is an important sensing component of the constant temperature and humidity chamber. Which items can replace the constant temperature and humidity box wet ball gauze?
Wet ball gauze (wet ball paper) has certain requirements, can be replaced by advanced wet tissue, but not any gauze can be substituted, because the relative humidity reading is based on the difference between temperature and humidity, strictly speaking with the local atmosphere at the time. Pressure and wind speed are related. The wet bulb temperature indication is related to the amount of water inhaled by the gauze and the surface evaporation. These are directly related to the quality of gauze, so it is stipulated in the weather that the wet gauze must be a special "wet ball gauze" woven into linen. Otherwise it is difficult to ensure the correctness of the wet bulb thermometer, that is, the correct humidity. In addition, the placement of the wet ball gauze is also clearly defined. The length of the gauze: 100mm, the sensor probe is tightly wound, the probe is 25-30mm away from the humidity cup, and the gauze is immersed in the water cup, so as to ensure the correctness of the equipment control and the accuracy of the humidity.

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