EN 60051-4:1989

Superseded

Direct acting indicating analogue electrical measuring instruments and their accessories - Part 4: Special requirements for frequency meters

Superseded date

05-06-2021

Published date

11-16-1989

Publisher

European Committee for Standards - Electrical

Applies to direct acting indicating frequency meters, and to non-interchangeable accessories used with frequency meters.

Committee	CLC/TC 85X
DevelopmentNote	To be read in Conjunction with EN 60051-1 (04/2001) Supersedes HD 233 (07/2004) Also numbered as BS 89-4(1990) and IEC 60051-4 (10/2005)
DocumentType	Standard
PublisherName	European Committee for Standards - Electrical
Status	Superseded
SupersededBy	EN IEC 60051-4:2021
Supersedes	HD 233 : 200S1

BS EN 50171:2001	Central power supply systems
BS EN 60694:1997	Common specifications for high-voltage switchgear and controlgear standards
I.S. EN 60694:1999	COMMON SPECIFICATIONS FOR HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR STANDARDS
EN 60694:1996/A2:2001	COMMON SPECIFICATIONS FOR HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR STANDARDS
CEI EN 50171 : 2002	CENTRAL POWER SUPPLY SYSTEMS
I.S. EN 61143-1:1995	ELECTRICAL MEASURING INSTRUMENTS - X-T RECORDERS - PART 1: DEFINITIONS AND REQUIREMENTS
BS EN 60896-11:2003	Stationary lead-acid batteries. General requirements and methods of test Vented types. General requirements and methods of tests
EN 61143-1:1994/A1:1997	ELECTRICAL MEASURING INSTRUMENTS - X-T RECORDERS - PART 1: DEFINITIONS AND REQUIREMENTS
EN 50171 : 2001 COR 2001	CENTRAL POWER SUPPLY SYSTEMS

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