CEI EN IEC 60051-2 PDF

This part of IEC 60051 applies to direct acting indicating ammeters and voltmeters having an analogue display.

NOTE For multi-function instruments, see IEC 60051-7.

It also applies to:

• direct acting indicating ammeters and voltmeters whose scale marks do not correspond directly to their electrical input quantity, provided that the relationship between them is known;

• direct acting indicating ammeters and voltmeters and accessories having electronic devices in their measuring and/or auxiliary circuits.

This document does not apply to:

– special purpose instruments which are covered by their own IEC standards;

– special purpose devices which are covered by their own IEC standards when they are used as accessories.