Power Meter Design service Input:true value three phase measure(bandwidth:up to 2.5KHz, 32 parameters 3 line LED display ... DW series digital 3-phase multifunction Power MeterDW/MDW 3 line 4 digits LED displayFeatures ... ,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, ...