Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-19: Examinations and measurements; Polarization dependence of return loss of a single mode fibre optic component (IEC 61300-3-19:1997); German version EN 61300-3-19:1997
Edition 1997-10

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

Safety of machinery - Electro-sensitive protective equipment - Part 3: Particular requirements for active opto-electronic protective devices responsive to diffuse Reflection (AOPDDR) (IEC 61496-3:2018); German version EN IEC 61496-3:2019
Edition 2019-10

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

Metallic communication cables test methods - Part 1-1: Electrical - Measurement of the pulse/step return loss in the frequency domain using the Inverse Discrete Fourier Transformation (IDFT) (IEC 62153-1-1:2003); German version EN 62153-1-1:2004
Edition 2004-09

Reflectivity of electromagnetic wave absorbers in millimetre wave frequency - Measurement methods (IEC 62431:2008); German version EN 62431:2008
Edition 2009-07

Method for measuring photovoltaic (PV) glass - Part 2: Measurement of transmittance and reflectance (IEC 62805-2:2017); German version EN 62805-2:2017
Edition 2018-06

Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Precision methods for anechoic rooms and hemi-anechoic rooms (ISO 3745:2012 + Amd 1:2017); German version EN ISO 3745:2012 + A1:2017
Edition 2017-10

Anodizing of aluminium and its alloys - Measurement of reflectance characteristics of aluminium surfaces using integrating-sphere instruments (ISO 6719:2010); German version EN ISO 6719:2010
Edition 2011-02

Anodizing of aluminium and its alloys - Measurement of specular reflectance and specular gloss of anodic oxidation coatings at angles of 20°, 45°, 60° or 85° (ISO 7668:2021); German version EN ISO 7668:2021
Edition 2021-11