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IEC 60051-4

5th Edition, August 2018

Complete Document

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



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Description / Abstract:

This part of IEC 60051 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).

This document also applies to non-interchangeable accessories (as defined in 3.1.23 of IEC 60051-1:2016) used with frequency meters.