DIN EN 60051-6 E:2017-02 Direct acting indicating analogue electrical measuring instruments and their accessories; part 6: special requirements for ohmmeters (impedance meters) and conductance meters
1970DIN EN 60051-6 E:2017-02 Direct acting indicating analogue electrical measuring instruments and their accessories; part 6: special requirements for ohmmeters (impedance meters) and conductance meters
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