... , all of which are mounted on the meter frame with three screws. Each electromagnet element consists of voltage ... is needed during the service life.Three Phase Watt-Hour MeterTechnical Data of Three Phase Watt-Hour Meter1Meter typeDT82Applicable StandardsIEC60521. IEC5143Accuracy ... unity PF, Ib>800µMn17Weight of rotor48g 18Weight of meter≈3.5kg 19Meter baseSteel, Bakelite, PC20Meter coverBakelite, ...