Methods of measurement for waveguides - Part 9: Reflection coefficient at rectangular waveguide interfaces (IEC 61580-9:1996); German version EN 61580-9:1996
Edition 1997-05

Projection of still pictures and motion-pictures - Part 4: Reflection and transmittance characteristics of screens; characteristic values, screen types, measurement
Edition 1998-12

Connectors for electronic equipment - Tests and measurements - Part 25-7: Test 25g - Impedance, reflection coefficient and standing voltage wave ratio (VSWR) (IEC 60512-25-7:2004); German version EN 60512-25-7:2005
Edition 2005-12

Safety of machinery - Electro-sensitive protective equipment - Part 3: Particular requirements for active opto-electronic protective devices responsive to diffuse Reflection (AOPDDR) (IEC 44/1016/CDV:2023); German and English version prEN IEC 61496-3:2023
Edition 2024-06

Agglomerated stone - Test methods - Part 10: Determination of chemical resistance; German version EN 14617-10:2012
Edition 2012-06

Railway applications - Infrastructure - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 5: Intrinsic characteristics - Sound absorption under direct sound field conditions; German version EN 16272-5:2023
Edition 2024-02

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

Colorimetry - Part 10: Reflectance black standard for calibration in colorimetry and photometry
Edition 2022-03

Paper and board - Measurement of specular gloss - Part 2: 75° gloss with a parallel beam, DIN method (ISO 8254-2:2016); German version EN ISO 8254-2:2016
Edition 2016-11

Paints and varnishes - Determination of gloss value at 20°, 60° and 85° (ISO 2813:2014); German version EN ISO 2813:2014
Edition 2015-02