IEC-51-4 Direct acting indicating analogue electrical measuring instruments and their accessories. Part 4: Special requirements for frequency meters

IEC-51-4 - 4TH EDITION - SUPERSEDED -- See the following: IEC-60051-4
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Applies to direct acting indicating frequency meters, and to non-interchangeable accessories used with frequency meters.

To find similar documents by classification:

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. 4.0 b:1984

Revision Level

4TH EDITION

Status

Superseded

Publication Date

Jan. 1, 1984

Committee Number

85