... LED display DW series digital 3-phase multifunction Power MeterDW/MDW 3 line 4 digits LED displayFeatures: 1) Input: AC/DC 0-5A 0-600V 0-100V 0 ... lacking phase/over current/breaking line protection; Current: isolated analoge output ... Digital Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter ...