DW9E Model 3 Phase Digital Kwh Meter and Coulomete

3 Phase Multi-function Metr & Voltage Meter& Ampere Meter & Kwh Meter Toky DW9 series 3 phase multi-function power meter with following features: 1) To measure: voltage, current, active power, reactive power, power factor, frequency, Kwh, 4 quadrant energy, etc. Total 28 electrical parameters; 2) 3 lines 4 digit LED to show the above value. For DW9E model, additional 1 line 8 digit to show the KWH separately; 3) Two On-Off input / output, with remote control and measure function; 4) Isolation between input and output signal; 5) True effective value measuring; 6) Two alarm output for voltage, current, power factor, active power, reactive power; 7) Transformed analog output 4-20mA for voltage, current, active power, reactive power, frequency, power factor; 8) With RS485 communication function (Modbus RTU protocol); 9) With power down memory function for KWH / KvarH. DW9Series3 phase coulometerDW9A-DC38DW9B-DC38DW9C-DC38DW9D-DC38DW9E-DC38