CEN/TC 211
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 29943 | EN ISO 4869-2:2018 | Acoustics - Hearing protectors - Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn (ISO/DIS 4869-2:2014) | Izstrādē |
| 30355 | prEN ISO 4871 rev | Acoustics - Declaration and verification of noise emission values of machinery and equipment | Izstrādē |
| 9776 | EN ISO 11821:1997 | Acoustics - Measurement of the in situ sound attenuation of a removable screen (ISO 11821:1997) | Izstrādē |
| 9797 | EN ISO 389-4:1998 | Acoustics - Reference zero for the calibration of audiometric equipment - Part 4: Reference levels for narrow-band masking noise (ISO 389-4:1994) | Izstrādē |
| 21121 | EN ISO 17624:2004 | Acoustics - Guidelines for noise control in offices and workrooms by means of acoustical screens (ISO 17624:2004) | Izstrādē |
| 9814 | EN 27574-1:1988 | Acoustics - Statistical methods for determining and verifying stated noise emission values of machinery and equipment - Part 1: General considerations and definitions (ISO 7574-1:1985) | Izstrādē |
| 71558 | prEN ISO 7574 rev | Acoustics - Statistical methods for determining and verifying stated noise emission values of machinery and equipment | Izstrādē |
| 32906 | prEN ISO 11205 rev | Acoustics - Noise emitted by machinery and equipment - Engineering method for the determination of emission sound pressure levels in situ at the work station and at other specified positions using sound intensity | 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 |
| 9780 | EN ISO 389-2:1996 | Acoustics - Reference zero for the calibration of audiometric equipment - Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones (ISO 389-2:1994) | Izstrādē |
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