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Characteristics of control system of constant temperature and humidity testing machine

Date: Apr 02,2021 Views: 32

The control system of constant temperature and humidity testing machine is the heart of the whole equipment, which is in charge of refrigeration, heating, humidity control, circulation and control.

constant temperature and humidity testing machine In terms of refrigeration, the compressor is imported. The refrigeration system consists of high temperature part and low temperature part, each part is a relatively independent refrigeration system. The constant temperature and humidity testing machine evaporation of the refrigerant in the high temperature part absorbs the heat from the refrigerant in the low temperature part and vaporizes; the evaporation of the refrigerant in the low temperature part absorbs heat from the cooled object (the air in the testing machine) to obtain the cooling capacity. The high temperature part and the low temperature part are connected by an evaporative condenser, which is not only the condenser of the high temperature part, but also the condenser of the low temperature part.

The heating system adopts the completely independent nickel chromium alloy electric heating type, with high resistivity, small temperature coefficient of resistance, small deformation at high temperature and not easy to embrittle. Its heating temperature can reach 1000 ~ 1500 ℃, and long service life.




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