... DDSI726 Single-phase Electronic Carrier Watt-hour-meter 2)Output:3000pcs/day 3)CE,CB,ISO9001,14001,IEC 4)OEM GeneralDDSI726 single-phase carrier electronic watt ... SMT technology based on the actual conditions of the electricity utilization of residents. With international advanced level,the ... meters;2.4 Possess the pulse output functions for electricity energy test. Specifications Rated current (A)5(30 ...