TREX-C400 PID temperature device 1.PI control, PD control, PID control ... TREX-C400 PID temperature deviceWidely used in temperature, humidity, throw, weight, water level, refrigeration ,pressure control system.Features: High accuracy and easy operation. ... SMPS or DC 24VPower dissipation≤5WWork conditionTemperature :-10~50°C,Humidity <85% no caustic or magnetic field disturbModel naming:Application: ...