... Single phase KWH digital meter 1.specializing in programmable current digital meter 2.high performance 3.ISO9001:2000 Single phase KWH digital meterApplicationDDM100SE single ... enclosures.The meter is widely used in the office buildings, shopping malls, residences, airports and metro,etc.Function and features ... 50 μs waveformRated frequency50Hz or 60HzRated current1.5(6)A,5(30)A,5(60)A,10(40)A,10(60) ...