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 |
| 9731 | LVS 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 |
| 9726 | EN 26189:1991 | Acoustics - Pure tone air conduction threshold audiometry for hearing conservation purposes (ISO 6189:1983) | Atcelts |
| 9791 | LVS EN ISO 1680:2001 | Acoustics - Test code for the measurement of airborne noise emitted by rotating electrical machines | 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 |
| 9770 | EN ISO 4869-4:2000 | Acoustics - Hearing protectors - Part 4: Measurement of effective sound pressure levels for level-dependent sound-restoration ear-muffs (ISO/TR 4869-4:1998) | 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 |
| 9732 | LVS EN 27182:2001 | Acoustics - Measurement at the operator's position of airborne noise emitted by chain saws | Atcelts |
| 9743 | LVS EN 25135:1991 | Acoustics - Determination of sound power levels of noise from air terminal devices, high/low velocity/pressure assemblies, dampers and valves by measurement in a reverberation room (ISO 5135:1984) | Atcelts |
| 9813 | EN ISO 11205:2003 | Acoustics - Noise emitted by machinery and equipment - Engineering method for the determination of emission sound pressure levels in situ at the work station and at other specified positions using sound intensity (ISO 11205:2003) | Atcelts |
Displaying 161-170 of 427 results.