KW9A/B/C/D/E series 3 Phase Coulometer with follow 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 KW9E 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.