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 |
| 9728 | EN 27566:1991 | Acoustics - Standard reference zero for the calibration of pure-tone bone conduction audiometers (ISO 7566:1987) | Atcelts |
| 9728 | LVS EN 27566:1991 | Acoustics - Standard reference zero for the calibration of pure-tone bone conduction audiometers (ISO 7566:1987) | Atcelts |
| 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 |
| 9727 | LVS 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 |
| 9726 | EN 26189:1991 | Acoustics - Pure tone air conduction threshold audiometry for hearing conservation purposes (ISO 6189:1983) | Atcelts |
| 9726 | LVS EN 26189:2001 | Acoustics - Pure tone air conduction threshold audiometry for hearing conservation purposes | Atcelts |
| 9725 | EN ISO 3747:2000 | Acoustics - Determination of sound power levels of noise sources using sound pressure - Comparison method for use in situ (ISO 3747:2000) | Atcelts |
| 9725 | LVS EN ISO 3747:2001 | Acoustics - Determination of sound power levels of noise sources using sound pressure - Comparison method for use in situ | Atcelts |
| 9724 | LVS 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 reflectating plane | Atcelts |
Displaying 401-410 of 426 results.