CEN/TC 211
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 9729 | EN 28798:1991 | Acoustics - Reference levels for narrow-band masking noise (ISO 8798:1987) | 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 |
| 9733 | EN 27779:1991 | Acoustics - Measurement of airborne noise emitted by computer and business equipment (ISO 7779:1988) | Atcelts |
| 28297 | EN ISO 1683:2008 | Acoustics - Preferred reference values for acoustical and vibratory levels (ISO 1683:2008) | Atcelts |
| 32560 | EN ISO 3743-1:2009 | Acoustics - Determination of sound power levels of noise sources - Engineering methods for small, movable sources in reverberant fields - Part 1: Comparison method for hard-walled test rooms (ISO 3743-1:1994) | Atcelts |
| 9772 | EN ISO 389:1995 | Acoustics - Standard reference zero for the calibration of pure-tone air conduction audiometers (ISO 389:1991) | Atcelts |
| 23541 | EN ISO 389-7:2005 | Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:2005) | Atcelts |
| 30646 | EN 15927:2010 | Services offered by hearing aid professionals | Atcelts |
| 9800 | EN ISO 7779:2001 | Acoustics - Measurement of airborne noise emitted by information technology and telecommunications equipment (ISO 7779:1999) | Atcelts |
Displaying 191-200 of 426 results.