... pressure,Loadcell,switch,etc. DS3A series 4 Digits display Sensor Meter1) Signal input: regular:4-20mA/0-75mV/0-10V others ... Controller, Digital Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere ... ,Timer,Timer Relay, Solid State Relay, Proximity Sensor, ,Pressure sensor ,load cell sensor, KNE KSC box, Rotary Encoder and computer ...