Calibration of tuneable laser sources (IEC 86/600/CD:2022); Text in German and English
Edition 2024-01

Solid recovered fuels - Determination of calorific value (ISO 21654:2021); German version EN ISO 21654:2021
Edition 2021-12

Safety and control devices for burners and appliances burning gaseous and/or liquid fuels - General requirements; German version EN 13611:2019 + AC:2021
Edition 2022-01

Railway applications - Infrastructure - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics - Sound absorption under diffuse sound field conditions; German version EN 16272-1:2023
Edition 2024-02

Sound system equipment - Part 22: Electrical and mechanical measurements on transducers (IEC 60268-22:2020); German version EN IEC 60268-22:2020
Edition 2021-10

Test methods for assessing the performance of gas-phase air cleaning media and devices for general ventilation - Part 2: Gas-phase air cleaning devices (GPACD) (ISO 10121-2:2013); German version EN ISO 10121-2:2013
Edition 2013-08

Test method for assessing the performance of gas-phase air cleaning media and devices for general ventilation - Part 1: Gas-phase air cleaning media (ISO 10121-1:2014); German version EN ISO 10121-1:2014
Edition 2015-10

Calibration of wavelength/optical frequency measurement instruments - Part 2: Michelson interferometer single wavelength meters (IEC 62129-2:2011); German version EN 62129-2:2011
Edition 2012-03

Fibre optic interconnecting devices and passive components - Fibre optic fixed filters - Generic specification (IEC 61977:2020); German version EN IEC 61977:2020
Edition 2022-08

Acoustics - Measurement of sound absorption in a reverberation room (ISO 354:2003); German version EN ISO 354:2003
Edition 2003-12