DIN EN 60051-3/A1:1995 Direct acting indicating analogue electrical measuring instruments and their accessories - Part 3: Special requirements for wattmeters and varmeters (IEC 60051-3:1984/A1:1994); German version EN 60051-3:1989/A1:1995
The standard applies to direct acting indicating wattmeters and varmeters having an analogue display.
DIN EN 60051-3/A1:1995 history
1970DIN EN 60051-3 E:2017-02 Direct acting indicating analogue electrical measuring instruments and their accessories; part 3: special requirements for wattmeters and varmeters
2017DIN EN 60051-3 E:2017 Draft Document - Direct acting indicating analogue electrical measuring instruments and their accessories - Part 3: Special requirements for wattmeters and varmeters (IEC 85/556/CDV:2016); German version prEN 60051-3:2016
1995DIN EN 60051-3/A1:1995 Direct acting indicating analogue electrical measuring instruments and their accessories - Part 3: Special requirements for wattmeters and varmeters (IEC 60051-3:1984/A1:1994); German version EN 60051-3:1989/A1:1995
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