IEC-60051-4 › Direct acting indicating analogue electrical measuring instruments and their accessories title - Part 4: Special requirements for frequency meters

IEC-60051-4 - EDITION 5.0 - CURRENT


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IEC 60051-4:2018 applies to direct acting indicating analogue frequency meters of the following types:
.    pointer-type frequency meters (as defined in 3.2.11 of IEC 60051-1:2016);
.    vibrating-reed frequency meters (as defined in 3.2.12 of IEC 60051-1:2016).
IEC 60051-4:2018 also applies to non-interchangeable accessories (as defined in 3.1.23 of IEC 60051-1:2016) used with frequency meters.
IEC 60051-4:2018 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 items.
IEC 60051-4:2018  is to be used in conjunction with IEC 60051-1:2016.
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17.220.20 (Measurement of electrical and magnetic quantities Including measuring instruments, instrument transformers Electric energy meters in buildings, see 91.140.50)

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Document Number

IEC 60051-4 Ed. 5.0 b:2018

Revision Level

EDITION 5.0

Status

Current

Publication Date

Sept. 1, 2018

Committee Number

85