Direct-current resistive volt ratio boxes (IEC 60524:1975 + A1:1981); German version EN 60524:1993
Edition 1994-08

Inductive voltage dividers (IEC 60618:1978 + A1:1981 + A2:1997); German version EN 60618:1997 + A2:1997
Edition 1999-03

Electrical measuring instruments; X-Y recorders (IEC 61028:1991); German version EN 61028:1993
Edition 1993-12

Electrical measuring instruments - X-t recorders - Part 1: Definitions and requirements (IEC 61143-1:1992); German version EN 61143-1:1994
Edition 1995-01

Measurement and control; digital measuring instruments; instruments for measuring digital quantities; definitions, tests and data sheet details
Edition 1987-05

Direct-current potentiometers (IEC 60523:1975 + A1:1979 + Corrigendum 1980); German version EN 60523:1993
Edition 1994-08

D.C. bridges for measuring resistance (IEC 60564:1977 + A1:1981); German version EN 60564:1993
Edition 1994-08

Medical electrical equipment - Dosimeters with ionization chambers as used in radiotherapy (IEC 60731:2011 + AMD 1:2016); German version EN 60731:2012 + A1:2022
Edition 2023-05

Respiratory protective devices - Self-contained open-circuit compressed air breathing apparatus with half mask designed to include a positive pressure lung governed demand valve for escape purposes only
Edition 2005-12

Electrical measuring instruments - X-Y recorders (IEC 61028:1991/A1:1995); German version EN 61028:1993/A1:1995
Edition 1996-06