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sklademVydáno: 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
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| Označení normy: | BS EN IEC 60051-4:2021 |
| Počet stran: | 20 |
| Vydáno: | 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.