The low temperature test chamber consists of a heating system, a refrigeration system, a circulating air system, a control system, a protection system, and a tank. The details are as follows:
The heating system is composed of an electric heater or the like;
The refrigeration system consists of a high temperature compressor refrigeration unit, a low temperature compressor refrigeration unit, a condenser, an evaporator refrigeration piping system, and a cooling capacity solenoid valve.
The circulating air system of the low temperature test chamber is composed of a fan and a wind channel;
The control system consists of a detection sensor, a PLC, a touch screen and corresponding relays, contactors, etc.;
The protection system is composed of fault fault detection circuit, module, PLC, etc.
The low temperature test box body is composed of a steel plate, a heat insulating material, a door, an observation window, and the like.
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