... controller 4PID+S.S.R system Temperature and humidity test chamberUsageTemperature and humidity test chamber test the fiber, LCD crystal, inductor, ... Safety DevicesOcerheating prevention circuit-breaker,compressor overload protection,control system overload protection,humidifying system overheading drying ... memory device in case of power failure. There are 3 modes-hot, cold and stop for restarting the ...