NEN EN IEC 62055-31 : 2006 C1 2008
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ELECTRICITY METERING - PAYMENT SYSTEMS - PART 31: PARTICULAR REQUIREMENTS - STATIC PAYMENT METERS FOR ACTIVE ENERGY (CLASSES 1 AND 2)
01-12-2013
Applies to newly manufactured, static watt-hour payment meters of accuracy classes 1 and 2 for direct connection, for the measurement of alternating current electrical energy consumption of a frequency in the range 45 Hz to 65 Hz that include a load switch for the purpose of interruption or restoration of the electricity supply to the load in accordance with the current value of the available credit maintained in the payment meter.
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