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DS/EN 50470-3

2007 Edition, January 26, 2007

Complete Document

Electricity metering equipment (a.c.) - Part 3: Particular requirements - Static meters for active energy (class indexes A, B and C)

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Product Details:

  • Revision: 2007 Edition, January 26, 2007
  • Published Date: January 26, 2007
  • Status: Active, Most Current
  • Document Language: English
  • Published By: Dansk Standardiseringsrad (DS)
  • Page Count: 34
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

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 1).
The dependability aspect is covered by the documents of the IEC 62059 series.