Personal eye protection - Infrared filters - Transmittance requirements and recommended use; German version EN 171:2002
Edition 2002-08

Personal eye protection - Ultraviolet filters - Transmittance requirements and recommended use; German version EN 170:2002
Edition 2003-01

Personal eye protection - Filters for welding and related techniques - Transmittance requirements and recommended use; German version EN 169:2002
Edition 2003-02

Paints and varnishes - Determination of image clarity (degree of sharpness of reflected or transmitted image) (ISO 20266:2018); German version EN ISO 20266:2020
Edition 2021-02

European digital cellular telecommunications system - Half rate speech - Part 3: Substitution and muting of lost frames for half rate speech traffic channels; English version ETS 300581-3:1995
Edition 1996-07

Analysis of honey - Determination of honey transmission for approximate calculation of honey colour in mm pound-degrees
Edition 2022-02

Sound system equipment - Part 16: Objective rating of speech intelligibility by speech transmission index (IEC 60268-16:2020); German version EN IEC 60268-16:2020
Edition 2021-10

Optics and photonics - Lasers and laser-related equipment - Test methods for specular reflectance and regular transmittance of optical laser components (ISO 13697:2006); German version EN ISO 13697:2006
Edition 2006-08

Glass in building - Determination of luminous and solar characteristics of glazing; German and English version prEN 410:2024
Edition 2024-12

Glass in building - Determination of luminous and solar characteristics of glazing; German version EN 410:2011
Edition 2011-04