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

Graphisches Gewerbe; Messung des Reflexionsverhaltens von Drucken
Edition 1974-12

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

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

Cosmetics - Measurement of the sunscreen efficacy by diffuse reflectance spectroscopy (ISO/DIS 23698:2024); German and English version prEN ISO 23698:2024
Edition 2024-03

Furniture - Assessment of the surface reflectance
Edition 2023-05

Standard Test Method for Retroreflectance of Horizontal Coatings
Edition 2013

Anodizing of aluminium and its alloys - Measurement of reflectance characteristics of aluminium surfaces using integrating-sphere instruments (ISO 6719:2010)
Edition 2011-01

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 5: Intrinsic characteristics - In situ values of sound reflection under direct sound field conditions; German version EN 1793-5:2016+AC:2018
Edition 2018-12