It adopts,enclosed structure,data collection,management and protrction proceed by advanced monolith machine manage system, display by four pure numeral pipe,cream-colored ABS resin base, mantle cover,bakelite terminal block,copper connect head, rubber sealed circuit. | |
Features | |
Full electronic single-phase active energy culculation, Calaulate in bi-direction,measure power precisely of two ways and accumalate electric energy in one direction,so that have the function of anti-fraud. Ic card prepaid electricity consumption,buy electricity first then use electricity is cut off after used up. Manage conviently. Adopt new type IC card. Each electricity consumer has one card,well operation and safety.Two class surplus electric quantity alarms and warn user to pruchase electricity in time.Single-phase three-phase prepaid watthour meter has one set prepaid electricity-sale system. | |
Principle | |
The meter samples the voltage and the current at voltage divider and the current divider,get the voltage and current multiple signal by multiplier is in positive proportion with voltage, current multiple, manage by CPU,display or record the consumed electric energy. |