1 minute to distinguish the advantages and disadvantages of constant temperature and humidity testing machine
The small series to explain for everyone is how to distinguish the good and bad of the constant temperature and humidity test machine. To know the advantages and disadvantages of the equipment, the heating device is the key link to control the temperature rise, and the controller will output when the temperature rise command is received. The voltage is applied to the relay, about 3-12 VDC is applied to the solid state relay, and the AC terminal is equivalent to the wire being connected.
The controller is adjusted by turning on and off the solid state relay; we adjust the heat output by watching the heating output on the screen of the constant temperature and humidity tester; this is the temperature control above 89 degrees, how to control the temperature stability below 89 degrees? It is the heat output through the solid state relay on one side; the other is through the compressor refrigeration cycle to achieve dynamic balance; the temperature is constant.
The humidification system is roughly the same as the heating system; it is a process in which the heater heats the water into a steam; the purpose of humidifying the constant temperature and humidity tester is completed. The dehumidification system is also completed by the refrigeration system. The evaporator is placed in the equipment and is relatively cold. The high-humidity gas will see the cold object condense into a liquid; thus, the high-humidity gas of the box will be rarely used to achieve the purpose of dehumidification.
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