• Hydrogen Technologies Standards form the basic framework for market ramp-up

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  • Climate change Standards and specifications support climate targets

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  • Smart Farming Standards and specifications are drivers for the digitalization of agriculture

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Projects of CEN/TC 211

Document number Begin Title Comment
DIN EN ISO 3741 2026-03-17 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Precision methods for reverberation test rooms (ISO 3741:2010); German version EN ISO 3741:2010 More  Comment 
DIN EN ISO 21388-1 2025-05-13 Acoustics - Hearing aid fitting management (HAFM) - Part 1: General process (ISO/DIS 21388-1:2025); German and English version prEN ISO 21388-1:2025 More  Comment 
DIN EN ISO 7235 rev 2025-01-29 Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss More  Comment 
DIN EN ISO 12001 rev 2024-11-06 Acoustics - Noise emitted by machinery and equipment - Rules for the drafting and presentation of a noise test code More  Comment 
DIN EN ISO 20270 rev 2024-10-15 Acoustics - Characterization of sources of structure-borne sound and vibration - Indirect measurement of blocked forces More  Comment 
DIN EN ISO 21388-2 2023-09-28 Acoustics - Hearing Aid Fitting Management - Part 2: Tele-services as part of hearing aid fitting management (tHAFM) (ISO 21388-2:2024); German version EN ISO 21388-2:2024 More  Comment 
DIN EN ISO 3744 2021-02-23 Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane (ISO 3744:2025, including corrected version 2026-01); German version EN 3744:2026 More  Comment 

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