Standard

NEK IEC 60521:1988

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Rettelser og tillegg kjøpes separat.

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Omfang

Applies only to newly manufactured induction type watt-hour meters of accuracy classes 0.5, 1 and 2, for the measurement of alternating current electrical active energy of a frequency in the range 45 Hz to 65 Hz and to their type tests only. This publication supersedes IEC 60043 (1960), 60170 (1964) and 60280 (1968).

Dokumentinformasjon

  • Standard fra NEK
  • Publisert:
  • Tilbaketrukket:
  • Utgave: 2.0
  • Versjon: 1
  • Varetype: NAT
  • Products.Specs.pages
  • ICS 91.140.50
  • National Committee NEK/NK13/38

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