Sensor Indicator Universal input:including TC, RTD, mV, ... applicate to any non-linearity sensors. DS3 series universal Sensor IndicatorFeatures:1, Input: regular: 4-20mA/ ... Digital Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, ... Relay, Solid State Relay, Proximity Sensor, ,Pressure sensor ,load cell sensor, KNE KSC box, Rotary Encoder and ...