Direct acting indicating analogue electrical measuring instruments and their accessories title - Part 4: Special requirements for frequency meters (Endorsed by Asociación Espanola de Normalización in June of 2021.)
STANDARD published on 1.6.2021
Designation standards: UNE-EN IEC 60051-4:2021
Publication date standards: 1.6.2021
The number of pages: 22
Approximate weight : 66 g (0.15 lbs)
Country: Spanish technical standard
Category: Technical standards UNE