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BSI BS EN IEC 60051-3:2021

Direct acting indicating analogue electrical measuring instruments and their accessories -- Special requirements for wattmeters and varmeters
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BSI BS EN IEC 60051-3:2021

Direct acting indicating analogue electrical measuring instruments and their accessories -- Special requirements for wattmeters and varmeters

PUBLISH DATE 2021
PAGES 24
BSI BS EN IEC 60051-3:2021
IEC 60051-3:2018 applies to direct acting indicating wattmeters and varmeters having an analogue display. IEC 60051-3:2018 also applies to: •    non-interchangeable accessories (as defined in 3.1.23 of IEC 60051-1:2016) used with wattmeters and varmeters; •    a combination of the instruments and the accessories provided that the adjustments have been made for the combination; •    direct acting indicating electrical measuring instruments whose scale marks do not correspond directly to their electrical input quantity, provided that the relationship between them is known; •    instruments and accessories having electronic devices in their measuring and/or auxiliary circuits. IEC 60051-3:2018 does not apply to: •    special purpose instruments which are covered by their own IEC standards; •    special purpose devices which are covered by their own IEC standards when they are used as accessories. IEC 60051-3:2018 cancels and replaces the fourth edition published in 1984 and Amendment 1:1994. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a)    updating of content in line with new editions of IEC 60051-1 and IEC 60051-9; b)    addition of Annex A to specify the nonconformity classification of test items. IEC 60051-3:2018 is to be used in conjunction with IEC 60051-1:2016.
SDO BSI: British Standards Institution
Document Number IEC 60051-3
Publication Date May 7, 2021
Language en - English
Page Count 24
Revision Level
Supercedes
Committee PEL/85
Publish Date Document Id Type View
May 7, 2021 BS EN IEC 60051-3:2021 Revision