CEN/TC 211
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 9715 | EN ISO 4871:1996 | Acoustics - Declaration and verification of noise emission values of machinery and equipment (ISO 4871:1996) | Atcelts |
| 9770 | EN ISO 4869-4:2000 | Acoustics - Hearing protectors - Part 4: Measurement of effective sound pressure levels for level-dependent sound-restoration ear-muffs (ISO/TR 4869-4:1998) | Atcelts |
| 22092 | EN ISO 4869-3:2007 | Acoustics - Hearing protectors - Part 3: Measurement of insertion loss of ear-muff type protectors using an acoustic test fixture (ISO 4869-3:2007) | Standarts spēkā |
| 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 |
| 28546 | EN ISO 4869-2:1995/AC:2007 | Acoustics - Hearing protectors - Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn (ISO 4869-2:1994/Cor 1:2006) | Atcelts |
| 9742 | EN ISO 4869-2:1995 | Acoustics - Hearing protectors - Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn (ISO 4869-2:1994) | Atcelts |
| 41275 | EN ISO 4869-1:2018 | Acoustics - Hearing protectors - Part 1: Subjective method for the measurement of sound attenuation (ISO 4869-1:2018) | 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 |
| 21710 | EN ISO 389-8:2004 | Acoustics - Reference zero for the calibration of audiometric equipment - Part 8: Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones (ISO 389-8:2004) | Izstrādē |
| 68648 | EN ISO 389-7:2019 | Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:2019) | Izstrādē |
Displaying 261-270 of 424 results.