... -phase Electionic Watt-hour Meter 2)Output:2000pcs/day 3)CE,CB,ISO9001,14001,IEC 4)OEM GeneralThe DDS226 type single-phase electronic watt-hour meter ... consumption, long life etc, is suitable for the single-phase AC active electric energywith rated frequency of 50Hz.Function ... digital multiplier overseas, greatly improved dynamic working range of Meter, making 1 multiple actual overload;2.4 Have good ...