DT962 type three-phase four-wire meritorious electric energy meter is the abroad advanced technology, to design and development of a new generation of three-phase and long life technology, used for measuring and watt-hour than frequency for 50 Hz ac comm

DT962 type three-phase four-wire meritorious electric energy meter is the abroad advanced technology, to design and development of a new generation of three-phase and long life technology, used for measuring and watt-hour than frequency for 50 Hz ac communication is