CEN/TC 211
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 9727 | EN 27029:1991 | Acoustics - Threshold of hearing by air conduction as a function of age and sex for otologically normal persons (ISO 7029:1984) | Atcelts |
| 9793 | EN ISO 6926:2001 | Acoustics - Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels (ISO 6926:2000) | Atcelts |
| 9729 | EN 28798:1991 | Acoustics - Reference levels for narrow-band masking noise (ISO 8798:1987) | Atcelts |
| 9794 | EN ISO 10846-1:1998 | Acoustics and vibration - Laboratory measurement of vibro-acoustic transfer properties of resilient elements - Part 1: Principles and guidelines (ISO 10846-1:1997) | Atcelts |
| 32562 | EN ISO 3744:2009 | 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 |
| 9763 | EN ISO 11203:1995 | Acoustics - Noise emitted by machinery and equipment - Determination of emission sound pressure levels at a work station and at other specified positions from the sound power level (ISO 11203:1995) | Atcelts |
| 9730 | EN 21680-1:1991 | Acoustics - Test code for the measurement of airborne noise emitted by rotating electrical machinery - Part 1: Engineering methods for free-field conditions over a reflecting plane (ISO 1680-1:1986) | Atcelts |
| 9731 | EN 21680-2:1991 | Acoustics - Test code for the measurement of airborne noise emitted by rotating electrical machinery - Part 2: Survey method (ISO 1680-2:1986) | Atcelts |
| 28297 | EN ISO 1683:2008 | Acoustics - Preferred reference values for acoustical and vibratory levels (ISO 1683:2008) | Atcelts |
| 9733 | EN 27779:1991 | Acoustics - Measurement of airborne noise emitted by computer and business equipment (ISO 7779:1988) | Atcelts |
Displaying 171-180 of 427 results.