SPECIFICATION:Used for AC single phase active energy measuring. Wall-mounted installation type, smart designDisplay type: mechanical counter, unit is kWh, record accumulated total active energy.Display range: 5+1, 6+1Accuracy active energy measuring, no need degugging for long time workSTANDARDS:According to IEC62053-11 standardAccording to IEC62053-21 standardFUNCTIONS:Total energy= positive ...