... 2 independent PID control for heating/cooling over temperature,pressure,level,flowm,etc..Widely used in auto system in line ... -20mA/0-10V signal from standard pressure/level transmitter, (24V/30mA supply available for standard transmitter).4,Accuracy:0.3%.5,Control ... flowmeter, Timer,Timer Relay, Solid State Relay, Proximity Sensor, ,Pressure sensor ,load cell sensor, KNE KSC box, Rotary Encoder and ...