Voltage,current accuracy level is ±0.5%F.S，Kwh value accuracy is 1level.
Available for measuring voltage,current,power factor,active power,reactive power appearantpower,Kwh,total 7 units.True virtual value measure.
Insolated input/output
2loop high and low limit alarm free set.
1loop 4～20mA analog output function free measure parameters.
RS485 communication port，Modbus RTU procotol.
Easy operation of display switch and menu setting.Power-down protection of operating states and Kwh value.