... 7 electrical patameters , analog output , RS485 interface Features:1) Power supply: AC/DC 100-240V2) Available for measuring voltage (V ... ), current(I), Active power (P), Reactive power (Q), Appearant power(S), Power factor(PF) and Kwh, watt , total 7 parameters.3) High ... Optional RS485, Modbus RTU6) Easy operation, data holding when power cut7) Display mode: for EU8 double lines; for EU9 ...