Single-Phase 2 Wire Watt-hour MeterSingle-Phase 2 Wire Watt-hour Meter
Single-Phase 2 Wire Watt-hour Meter Single-Phase 2 Wire Watt-hour Meter
Normal working condition
1.Specified working temperature: -25ºC~55ºC
2.Utmost working temperature: -25ºC~60ºC
3.Relative humidity:≤85%(At environment temperature 23ºC)
4.There shall be no harmful substance causing the corrosion in the air.  

Main technical data
1.Working voltage: 0.9Un-1.1Un
2.Power consumption: less than 2W(10VA)
3.Executive standard: GB/T 17215.321-2008/IEC 61036:2000
4.Good temperature performance: the error shall not exceed accuracy range within the temperature range -25ºC~55ºC
5.Good light-load performance, the instrument has fine accuracy class at ultra-light load
6.High accuracy of actual online measuring, high reliability, long service life;
7.Simple installation and operation; the installation position can't be affected by anything;
8.Strong overload capability; the meter overload ability can reach above 6 times within the accuracy class;
9.Strong ability of transportation resistance; the instrument can't cause the change of error under kinds of normal transportation conditions, user needn't adjust it after opening the box.