BS EN 62053-61:1999, IEC 62053-61:1998

Electricity metering equipment (a.c.). Particular requirements. Power consumption and voltage requirements|Electricity supply meters, Meters, Power measurement (electric), Electrical equipment, Alternating current, Voltage, Electricity consumption, Electric power (wattage), Name plates, Circuits, Type testing, Precision Click the banner to get it at ONLY: GBP98.00