Three Phase Four Wire Multifunction Watt-hour Meter

Three Phase Four Wire Multifunction Watt-Hour Meter is an intelligent product that is designed by advance computer and electromagnetic compatibility technology, adopting high accurate and high reliable ICs and wide frequency response & good liner CTs. The product has multifunction that includes measuring active & reactive energy in multi-rate, Maximum Demand, voltage, Current, Power Factor etc. All its performances are conformity with IEC61036:2000 and IEC61268:1999. The data communication is realized through CMRI (Common Meter Reading Instrument) between the meter and PC. The series of product is ideal facility for power management digital automatization or semi-automatization.
echnical Specifications
Class index: Active energy 1.0. Reactive energy 2.0
Reference voltage: 3 230/400V
3 63.5/110 V
Reference current In (Imax): Through CT: 5(10) A
Reference Frequency: 50Hz 10%
Meter constant:
3 230/400V: Active 800imp/kWh Reactive 800imp/kvarh
3 63.5/110V:Active 3200imp/kWh Reactive 3200imp/kvarh
Power consumption: Voltage circuit 1.0W
Current circuit 0.1VA
Minimum starting current: 0.01A
Time Accuracy: 0.5s/day, 3min/year (at 25C test condition)
Time Backup battery: Lithium Battery, Storage life15 years, Work without power life 12 months.