This meter is with a magnetic bearing, a highly-compensating device and ... assure accurate measuring with advanced structure and reliable performance Features: 1) Accuracy: 2.0 2) Referential voltage: 220V, 230V, 240V 3 ... : 0.5%IB 5) Insulation strength: AC 50Hz, 2kV for 1 minute, instantaneous impulse voltage of 6kV Single Phase Kilowatt-Hour ...