BS EN IEC 60051-2:2021
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10-05-2021
IEC 60051-2:2018 applies to direct acting indicating ammeters and voltmeters having an analogue display. It also applies to: • direct acting indicating ammeters and voltmeters whose scale marks do not correspond directly to their electrical input quantity, provided that the relationship between them is known; • direct acting indicating ammeters and voltmeters and accessories having electronic devices in their measuring and/or auxiliary circuits. This document 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 60051-2:2018 cancels and replaces the fourth edition published in 1984. 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 item. This International Standard is to be used in conjunction with IEC60051-1:2016.
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