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SUPERSEDED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.
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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Superseded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