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UNE EN IEC 60051-4:2021
Direct acting indicating analogue electrical measuring instruments and their accessories title - Part 4: Special requirements for frequency meters (Endorsed by Asociación Española de Normalización in June of 2021.)
Instrumentos de medida eléctricos con indicación analógica por acción directa y sus accesorios. Parte 4: Requisitos particulares para frecuencímetros. (Ratificada por la Asociación Española de Normalización en junio de 2021.)
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| Standard number: | UNE EN IEC 60051-4:2021 |
| Pages: | 22 |
| Released: | 2021-06-01 |
| Status: | Standard |
DESCRIPTION
UNE EN IEC 60051-4:2021
Part 4 of the standard applies to direct acting indicating analogue frequency meters of the following types: " Pointer-type frequency meters (as defined in Subclause 3.2.11 of IEC 60051-1:2016) " Vibrating-reed frequency meters (as defined in Subclause 3.2.12 of IEC 60051-1:2016) This part also applies to non-interchangeable accessories (as defined in Subclause 3.1.23 of IEC 60051- 1:2016) used with frequency meters.