DIN EN 60051-9:1991 Direct acting indicating analogue electrical measuring instruments and their accessories; part 9: recommended test methods (IEC 60051-9:1988, edition 4); german version EN 60051-9:1989
The standard contains recommended test methods for direct acting indicating analogue electrical measuring instruments and their accessories.
DIN EN 60051-9:1991 history
2017DIN EN 60051-9:2017 Direct acting indicating analogue electrical measuring instruments and their accessories - Part 9: Recommended test methods (IEC 85/577/CD:2017)
1996DIN EN 60051-9/A1:1996 Direct acting indicating analogue electrical-measuring instruments and their accessories - Part 9: Recommended test methods (IEC 60051-9:1988/A1:1994); German version EN 60051-9:1989/A1:1995
1995DIN EN 60051-9/A2:1995 Direct acting indicating analogue electrical-measuring instruments and their accessories - Part 9: Recommended test methods (IEC 60051-9:1988/A2:1995); German version EN 60051-9:1989/A2:1995
1991DIN EN 60051-2:1991 Direct acting indicating analogue electrical measuring instruments and their accessories; part 2: special requirements for ammeters and voltmeters (IEC 60051-2:1984, edition 4); german version EN 60051-2:1989