Water conditioning equipment inside buildings - Chemical dosing systems - Pre-set dosing systems - Requirements for performance, safety and testing; German version EN 14812:2005+A1:2007
Edition 2007-09

Water quality - Guidance on mapping of seagrasses and macroalgae in the eulittoral zone; German version EN 17211:2019
Edition 2020-11

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-41: Tests; screen testing of attenuation of single-mode tuned non-angled optical fibre connectors (IEC 61300-2-41:1998); German version EN 61300-2-41:1998
Edition 1998-12

Semiconductor devices - Mechanical and climatic test methods - Part 3: External visual examination (IEC 60749-3:2017); German version EN 60749-3:2017
Edition 2018-01

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-24: Examinations and measurements - Keying accuracy of optical connectors for polarization maintaining fibre (IEC 61300-3-24:2006); German version EN 61300-3-24:2007
Edition 2007-08

Biomimetics - Terminology, concepts and methodology (ISO 18458:2015)
Edition 2016-08

Reaction to fire tests for products - Non-combustibility test (ISO 1182:2020); German version EN ISO 1182:2020
Edition 2020-11

Photocatalytic activity of surfaces - Determination of photocatalytic activity of surfaces in an aqueous medium by degradation of methylene blue
Edition 2021-10

Determination of specific surface area of disperse solids by the gas permeability technique - Blaine method
Edition 2015-08

Hazard identification and risk assessment in sport and recreation
Edition 2024-08