Medical electrical equipment - Characteristics of electro-optical X-ray image intensifiers - Part 4: Determination of the image distortion (IEC 61262-4:1994); German version EN 61262-4:1994
Edition 1995-09

Medical electrical equipment - Characteristics of electro-optical X-ray image intensifiers - Part 5: Determination of the detective quantum efficiency (IEC 61262-5:1994); German version EN 61262-5:1994
Edition 1995-09

Medical electrical equipment - Characteristics of electro-optical X-ray image intensifiers - Part 6: Determination of the contrast ratio and veiling glare index (IEC 61262-6:1994); German version EN 61262-6:1994
Edition 1995-09

Medical electrical equipment - Characteristics of electro-optical X-ray image intensifiers - Part 7: Determination of the modulation transfer function (IEC 61262-7:1995); German version EN 61262-7:1995
Edition 2002-05

Electroacoustics - Instruments for measurement of aircraft noise - Performance requirements for systems to measure sound pressure levels in noise certification of aircraft (IEC 61265:2018); German version EN IEC 61265:2018
Edition 2018-12

Ultrasonics - Hand-held probe doppler foetal heartbeat detectors - Performance requirements and methods of measurement and reporting (IEC 61266:1994); German version EN 61266:1995
Edition 1996-06

Medical diagnostic X-ray equipment - Radiation conditions for use in the determination of characteristics (IEC/CDV 61267:2024); German and English version prEN IEC 61267:2024
Edition 2025-01

Medical diagnostic X-ray equipment - Radiation conditions for use in the determination of characteristics (IEC 61267:2005); German version EN 612167:2006
Edition 2009-01

Fibre optic terminus sets - Part 1: Generic specification (IEC 61269-1:1994); German version EN 61269-1:1997
Edition 1997-07

Fibre optic terminus sets - Part 1-1: Blank detail specification (IEC 61269-1-1:1994); German version EN 61269-1-1:1997
Edition 1997-07