CEN/TC 211
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 28465 | LVS 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 389-9:2009) | Standarts spēkā |
| 41275 | LVS EN ISO 4869-1:2019 | Acoustics - Hearing protectors - Part 1: Subjective method for the measurement of sound attenuation (ISO 4869-1:2018) | Standarts spēkā |
| 9742 | LVS EN ISO 4869-2:1995 | Acoustics - Hearing protectors - Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn | Atcelts |
| 28546 | LVS 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 | Atcelts |
| 29943 | LVS EN ISO 4869-2:2019 | Acoustics - Hearing protectors - Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn (ISO 4869-2:2018) | Standarts spēkā |
| 22092 | LVS EN ISO 4869-3:2007 | Acoustics - Hearing protectors - Part 3: Measurement of insertion loss of ear-muff type protectors using an acoustic test fixture | Standarts spēkā |
| 9770 | LVS EN ISO 4869-4:2002 | Acoustics - Hearing protectors - Part 4: Measurement of effective sound pressure levels for level-dependent sound-restoration ear-muffs | Atcelts |
| 9715 | LVS EN ISO 4871:1996 | Acoustics - Declaration and verification of noise emission values of machinery and equipment | Atcelts |
| 32571 | LVS EN ISO 4871:2010 | Acoustics - Declaration and verification of noise emission values of machinery and equipment (ISO 4871:1996) | Standarts spēkā |
| 73813 | LVS EN ISO 5114-1:2024 | Acoustics - Determination of uncertainties associated with sound emission measures - Part 1: Sound power levels determined from sound pressure measurements (ISO 5114-1:2024) | Standarts spēkā |
Displaying 361-370 of 428 results.