CEN/TC 211
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 9766 | EN ISO 11691:1995 | Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:1995) | Atcelts |
| 9773 | EN ISO 11904-2:2004 | Acoustics - Determination of sound immission from sound sources placed close to the ear - Part 2: Technique using a manikin (ISO 11904-2:2004) | 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 |
| 9734 | EN 27917:1991 | Acoustics - Measurement at the operator's position of airborne noise emitted by brush saws (ISO 7917:1987) | Atcelts |
| 9728 | EN 27566:1991 | Acoustics - Standard reference zero for the calibration of pure-tone bone conduction audiometers (ISO 7566:1987) | Atcelts |
| 9752 | EN ISO 11690-1:1996 | Acoustics - Recommended practice for the design of low-noise workplaces containing machinery - Part 1: Noise control strategies (ISO 11690-1:1996) | Atcelts |
| 9753 | EN ISO 11690-2:1996 | Acoustics - Recommended practice for the design of low-noise workplaces containing machinery - Part 2: Noise control measures (ISO 11690-2:1996) | Atcelts |
| 9769 | EN 24869-3:1993 | Acoustics - Hearing protectors - Part 3: Simplified method for the measurement of insertion loss of ear-muff type protectors for quality inspection purposes (ISO/TR 4869-3:1989) | Atcelts |
| 9822 | EN ISO 11204:1995/AC:1997 | Acoustics - Noise emitted by machinery and equipment - Measurement of emission sound pressure levels at a work station and at other specified positions - Method requiring environmental corrections (ISO 11204:1995) | Atcelts |
Displaying 321-330 of 429 results.