UNE-EN 60051-2:1993 Electrical measuring instruments, analog display direct action and accessories. Part 2: Special requirements for ammeters and voltmeters (Official version 60051-2:1989)
1.1 Part 2 of the standard applies to ammeters and voltmeters with direct reading analog indication. NOTE - For multi-function instruments, see Part 7. 1.2 This Part also applies to non-interchangeable accessories (defined in section 2.1.15.3 of Part 1) used with ammeters and voltmeters. 1.3 to 1.8 See Part 1.
UNE-EN 60051-2:1993 history
1993UNE-EN 60051-2:1993 Electrical measuring instruments, analog display direct action and accessories. Part 2: Special requirements for ammeters and voltmeters (Official version 60051-2:1989)