... power, reactive power ,apparent power ,PF,Kwh,Hz EU9 Series digital Kwh meter / coulometer/multimeter EU9 Series single ... measure voltage , current ,active power, reactive power ,apparent power ,PF,Kwh,Watt, Hz1) Power supply: AC/DC 100-240V2) ... power (P), Reactive power (Q), Appearant power(S), Power factor(PF) and Kwh, total 7 parameters.3) High & Low two alarm values setting4) Analog output ...