CEN/TC 211
Registration number (WIID) | Project No. | Title | Status |
---|---|---|---|
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 |
31640 | LVS EN ISO 8253-2:2010 | Acoustics - Audiometric test methods - Part 2: Sound field audiometry with pure-tone and narrow-band test signals (ISO 8253-2:2009) | Standarts spēkā |
31640 | EN ISO 8253-2:2009 | Acoustics - Audiometric test methods - Part 2: Sound field audiometry with pure-tone and narrow-band test signals (ISO 8253-2:2009) | Izstrādē |
30646 | EN 15927:2010 | Services offered by hearing aid professionals | Atcelts |
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 |
30355 | prEN ISO 4871 rev | Acoustics - Declaration and verification of noise emission values of machinery and equipment | Izstrādē |
30103 | EN ISO 8253-3:2012 | Acoustics - Audiometric test methods - Part 3: Speech audiometry (ISO/DIS 8253-3:2010) | Atcelts |
30103 | LVS EN ISO 8253-3:2012 | Acoustics - Audiometric test methods - Part 3: Speech audiometry (ISO 8253-3:2012) | 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 |
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 |
Displaying 151-160 of 424 results.