DD862 DT862 DD28 DT8 KILO-WATT-HOUR Meter The series single phase meter is a kind of induction meter to measure the single phase current at the rated frequency of 50Hz.It is am indoor installed meter.Ambienttemperature:-10 to 50??J,relative humidity:below 85%(25??J).DT8 and DT862 series three phase meter is an induction meter to measure the three phase current at the rated frequency(50Hz).It is an indoor installed meter.Ambient temperature:-10 to 50??J,except the first grade is under the working condition of 0 to 40??J.Relative humidity:below 85%(25??J)
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