... , Sensor Meter 1) 4 digit pressure meter 2) Relay or 4-20mA current output 3) universal ... input signal range: mA, mV, V, Rt, etc.;2) Display full scale / zero point of input signal can ... ) Some model with RS485 Communication function;7) Button setting, 2 lines 4 digit LED display, easy to read ... and set data;8) Usually used with 2-wire transducers, pressure sensors, 4-wire weighting sensors, ...