
Direct acting indicating analogue electrical measuring instruments and their accessories title. Special requirements for frequency meters.
STANDARD published on 7.5.2021
Designation standards: BS EN IEC 60051-4:2021
Publication date standards: 7.5.2021
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: British technical standard
Category: Technical standards BS
ISBN: 978 0 580 93060 7 Status: Definitive