CEN/TC 211
Registration number (WIID) | Project No. | Title | Status |
---|---|---|---|
9723 | EN ISO 3745:2003 | Acoustics - Determination of sound power levels of noise sources using sound pressure - Precision methods for anechoic and semi-anechoic rooms (ISO 3745:2003) | Atcelts |
9766 | EN ISO 11691:1995 | Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:1995) | Atcelts |
9722 | EN ISO 3744:1995 | Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering method in an essentially free field over a reflecting plane (ISO 3744:1994) | Atcelts |
9798 | LVS EN ISO 2922:2001 | Acoustics - Measurement of airborne sound emitted by vessels on inland waterways and harbours | Atcelts |
9719 | EN 23741:1991 | Acoustics - Determination of sound power levels of noise sources - Precision methods for broad-band sources in reverberation rooms (ISO 3741:1988) | Atcelts |
9724 | EN ISO 3746:1995 | Acoustics - Determination of sound power levels of noise sources using sound pressure - Survey method using an enveloping measurement surface over a reflecting plane (ISO 3746:1995) | Atcelts |
32569 | LVS EN ISO 3746:2009 A | Acoustics - Determination of sound power levels of noise sources using sound pressure - Survey method using an enveloping measurement surface over a reflecting plane (ISO 3746:1995, including Cor 1:1995) | Atcelts |
28297 | EN ISO 1683:2008 | Acoustics - Preferred reference values for acoustical and vibratory levels (ISO 1683:2008) | Atcelts |
9720 | EN 23742:1991 | Acoustics - Determination of sound power levels of noise sources - Precision method for discrete-frequency and narrow-band sources in reverberation rooms (ISO 3742:1988) | Atcelts |
9783 | LVS EN ISO 389-7:2001 | Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions | Atcelts |
Displaying 121-130 of 424 results.