Electric energy meter DDSF149

Measure total active energy, LCD display, ultrasonic welding. It's functions include: four tariff, maximum demand RF communication(optional),real-time clock, monthly clearing ,etc. Measurement *Measurement of electric energy flowing in two directions *Time of use, up to 4 rates *Reverse indicate Event records *Total times of power failure *Frozen data of total active energy *Maximum demand Real-time clock