Lasers and laser-related equipment - Test methods for laser beam widths, divergence angles and beam propagation ratios - Part 2: General astigmatic beams (ISO 11146-2:2021); German version EN ISO 11146-2:2021
Edition 2021-11

Air quality - Atmospheric measurements near ground with active Differential Optical Absorption Spectroscopy (DOAS) - Ambient air and diffuse emission measurements; German version EN 16253:2013
Edition 2013-09

Geometrical product specification (GPS) - Surface texture: Areal - Part 606: Nominal characteristics of non-contact (focus variation) instruments (ISO 25178-606:2015); German version EN ISO 25178-606:2015
Edition 2016-12

Geometrical product specifications (GPS) - Surface texture: Areal - Part 605: Nominal characteristics of non-contact (point autofocus probe) instruments (ISO 25178-605:2014); German version EN ISO 25178-605:2014
Edition 2014-06

Non-destructive testing - Thermographic testing - Part 3: Terms and definitions; German version EN 16714-3:2016
Edition 2016-11

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-3: Examinations and measurements - Active monitoring of changes in attenuation and return loss (IEC 86B/4759/CDV:2023); German and English version prEN IEC 61300-3-3:2023
Edition 2024-04

Non destructive testing - Acoustic emission - Equipment characterisation - Part 1: Equipment description; German version EN 13477-1:2001
Edition 2013-11

Heat transfer; concepts, dimensionless parameters
Edition 1986-10

Acoustics - Terminology
Edition 2009-12

Quantities and units - Part 11: Characteristic numbers (ISO 80000-11:2019); German version EN ISO 80000-11:2020
Edition 2022-10