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Homepage>BS Standards>17 METROLOGY AND MEASUREMENT. PHYSICAL PHENOMENA>17.220 Electricity. Magnetism. Electrical and magnetic measurements>17.220.20 Measurement of electrical and magnetic quantities>BS EN IEC 60051-4:2021 Direct acting indicating analogue electrical measuring instruments and their accessories title Special requirements for frequency meters
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immediate downloadReleased: 2021-05-07
BS EN IEC 60051-4:2021 Direct acting indicating analogue electrical measuring instruments and their accessories title Special requirements for frequency meters

BS EN IEC 60051-4:2021

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

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Standard number:BS EN IEC 60051-4:2021
Pages:20
Released:2021-05-07
ISBN:978 0 580 93060 7
Status:Standard
DESCRIPTION

BS EN IEC 60051-4:2021


This standard BS EN IEC 60051-4:2021 Direct acting indicating analogue electrical measuring instruments and their accessories title is classified in these ICS categories:
  • 17.220.20 Measurement of electrical and magnetic quantities

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.