BS EN 60051-1. Direct acting indicating analogue electrical measuring instruments and their accessories. Part 1. Definitions and general requirements common to all parts
Edition 2014-03-04

Direct acting indicating analogue electrical measuring instruments and their accessories - Part 1: Definitions and general requirements common to all parts
Edition 2007-08-20

Direct acting indicating analogue electrical measuring instruments and their accessories - Part 1: Definitions and general requirements common to all parts (Amendment 1)
Edition 2011-04-20

Direct acting indicating analogue electrical measuring instruments and their accessories Part 3: Special requirements for wattmeters and varmeters
Edition 1997-10-20

Direct acting indicating analogue electrical measuring instruments and their accessories Part 5: Special requirements for phase meters, power factor meters and synchroscopes
Edition 1997-10-20

Direct acting indicating analogue electrical measuring instruments and their accessories Part 6: Special requirements for ohmmeters (impedance meters) and conductance meters
Edition 1997-10-20

Direct acting indicating analogue electrical measuring instruments and their accessories Part 7: Special requirements for multi-function instruments
Edition 1997-10-20

Direct acting indicating analogue electrical measuring instruments and their accessories - Part 9: Recommended test methods (Endorsed by Asociación Española de Normalización in June of 2021.)
Edition 2021-06-01

Household electric direct-acting room heaters - Methods for measuring performance - Part 2: Additional provisions for the measurement of the radiant factor
Edition 2021-09-08

Household electric direct-acting room heaters - Methods for measuring performance - Part 3: Additional provisions for the measurement of the radiation efficiency
Edition 2021-09-08