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Standard

NEK EN 50470-3:2006

Publisert

Merknad: Denne standarden har en ny utgave: NEK EN 50470-3:2022

Forhåndsvisning

Rettelser og tillegg kjøpes separat.

Språk
Tjenester

Omfang

This European Standard applies to newly manufactured static watt-hour meters intended for residential, commercial and light industrial use, of class indexes A, B and C, for the measurement of alternating current electrical active energy in 50 Hz networks. It specifies particular requirements and type test methods. It applies to static watt-hour meters for indoor and outdoor application, consisting of a measuring element and register(s) enclosed together in a meter case. It also applies to operation indicator(s) and test output(s). If the meter has (a) measuring element(s) for more than one type of energy (multi-energy meters), or when other functional elements, like maximum demand indicators, electronic tariff registers, time switches, ripple control receivers, data communication interfaces etc. are enclosed in the meter case (multi-function meters) then this standard applies only for the active energy metering part. This standard distinguishes between: – meters of class indexes A, B and C; – direct connected and transformer operated meters; – meters for use in networks equipped with or without earth fault neutralizers. It does not apply to: – watt-hour meters where the voltage across the connection terminals exceeds 600 V (line-to-line voltage for meters for polyphase systems); – portable meters; – reference meters. Methods for acceptance testing are covered by the IEC 62058 series of standards. The dependability aspect is covered by the documents of the IEC 62059 series.

Dokumentinformasjon

  • Standard fra NEK
  • Publisert:
  • Utgave: 2006-10
  • Versjon: 1
  • Varetype: NAT
  • Products.Specs.pages
  • ICS 91.140.50
  • National Committee NEK/NK13/38

Produktrelasjon