... mm Digital PID analog temperature controllerToky AI708-9 model temperature controller with following features:1. Universal signal input, applicable to most ... size SizeModelOutputAlarmCommunicationInput Signal48mm*48mmAI708-4-RB10Relay1NOTC:K,E,T,J,S,B..RTD:PT100, CU100, CU50mA: 4-20mAmV:0-20mV, 0 ... -9-DC18"18" : With RS485 communication AI708-9 PID Temperature Controller / Temperature Recorder