CEN/TC 211
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 9796 | EN ISO 389-3:1998 | Acoustics - Reference zero for the calibration of audiometric equipment - Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators (ISO 389-3:1994) | Atcelts |
| 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 |
| 65265 | prEN ISO 7574-2 | Acoustics - Statistical methods for determining and verifying stated noise emission values of machinery and equipment - Part 2: Methods for stated values for individual machines | Izstrādē |
| 65273 | EN ISO 8253-3:2022 | Acoustics - Audiometric test methods - Part 3: Speech audiometry (ISO/DIS 8253-3:2020) | 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 |
| 65263 | EN ISO 2922:2020 | Acoustics - Measurement of airborne sound emitted by vessels on inland waterways and harbours (ISO/DIS 2922:2019) | 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 |
| 80357 | prEN ISO 9613-2 | Acoustics - Attenuation of sound during propagation outdoors - Part 2: Engineering method for the prediction of sound pressure levels outdoors (ISO 9613-2:2024) | Izstrādē |
| 9812 | prEN ISO 4869-1 | Acoustics - Hearing protectors - Part 1: Subjective method for the measurement of sound attenuation | Izstrādē |
| 9759 | EN ISO 11904-1:2002 | Acoustics - Determination of sound immission from sound sources placed close to the ear - Part 1: Technique using a microphone in a real ear (MIRE technique) (ISO 11904-1:2002) | Izstrādē |
Displaying 351-360 of 429 results.