Historical
IEC 60051-2 Ed. 4.0 b:1984
Direct acting indicating analogue electrical measuring instruments and their accessories. Part 2: Special requirements for ammeters and voltmeters
Applies to direct acting indicating ammeters and voltmeters having an analogue display, and to non-interchangeable accessories used with ammeters and voltmeters.
Content Provider
International Electrotechnical Commission [iec]