CEN/TC 211
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 65263 | EN ISO 2922:2020 | Acoustics - Measurement of airborne sound emitted by vessels on inland waterways and harbours (ISO 2922:2020) | Izstrādē |
| 65264 | prEN ISO 7574-1 | Acoustics - Statistical methods for determining and verifying stated noise emission values of machinery and equipment - Part 1: General considerations and definitions | Izstrādē |
| 28465 | EN ISO 389-9:2009 | Acoustics - Reference zero for the calibration of audiometric equipment - Part 9: Preferred test conditions for the determination of reference hearing threshold levels (ISO/FDIS 389-9:2009) | Izstrādē |
| 73477 | FprEN ISO 3744 | Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane (ISO/FDIS 3744:2024) | Izstrādē |
| 65273 | EN ISO 8253-3:2022 | Acoustics - Audiometric test methods - Part 3: Speech audiometry (ISO 8253-3:2022) | Izstrādē |
| 30356 | prEN ISO 9614-3 rev | Acoustics - Determination of sound power levels of noise sources using sound intensity - Part 3: Precision method for measurement by scanning | Izstrādē |
| 31641 | prEN ISO 389-2 rev | Acoustics - Reference zero for the calibration of audiometric equipment - Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones | Izstrādē |
| 9812 | prEN ISO 4869-1 | Acoustics - Hearing protectors - Part 1: Subjective method for the measurement of sound attenuation | Izstrādē |
| 9767 | EN ISO 11820:1996 | Acoustics - Measurements on silencers in situ (ISO 11820:1996) | Izstrādē |
| 9758 | EN 1746:1998 | Safety of machinery - Guidance for the drafting of the noise clauses of safety standards | Izstrādē |
Displaying 51-60 of 427 results.