... parameters 3 line LED display DW series digital 3-phase multifunction Power MeterDW/MDW 3 line 4 ... .4) Measuring accuracy: 0.2%, 3-phase voltage and ampere input isolation, high anti-interference;5) Comunication ... , Digital Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter ...