IEC 60051-3 Ed. 5.0 b:2018

Current Revision

Direct acting indicating analogue electrical measuring instruments and their accessories - Part 3: Special requirements for wattmeters and varmeters

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IEC 60051-3 Ed. 5.0 b:2018

Name: IEC 60051-3 Ed. 5.0 b:2018 – Direct acting indicating analogue electrical measuring instruments and their accessories - Part 3: Special requirements for wattmeters and varmeters
Brand: International Electrotechnical Commission
SKU: IEC 60051-3 Ed. 5.0 b:2018
Price: 145.53 USD
Availability: InStock

Direct acting indicating analogue electrical measuring instruments and their accessories - Part 3: Special requirements for wattmeters and varmeters

PUBLISH DATE 2018

Direct acting indicating analogue electrical measuring instruments and their accessories - Part 3: Special requirements for wattmeters and varmeters

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.