CEN/TC 211
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 9824 | EN ISO 11688-1:1998/AC:1998 | Acoustics - Recommended practice for the design of low-noise machinery and equipment - Part 1: Planning (ISO/TR 11688-1:1995) | Atcelts |
| 9784 | EN ISO 8253-1:1998 | Acoustics - Audiometric test methods - Part 1: Basic pure tone air and bone conduction threshold audiometry (ISO 8253-1:1989) | Atcelts |
| 32577 | LVS EN ISO 11201:2009 | Acoustics - Noise emitted by machinery and equipment - Measurement of emission sound pressure levels at a work station and at other specified positions - Engineering method in an essentially free field over a reflecting plane (ISO 11201:1995, including Cor 1:1997) | Atcelts |
| 9785 | EN ISO 8253-2:1998 | Acoustics - Audiometric test methods - Part 2: Sound field audiometry with pure tone and narrow-band test signals (ISO 8253-2:1992) | Atcelts |
| 32569 | EN ISO 3746:2009 | 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, including Cor 1:1995) | Atcelts |
| 30103 | LVS EN ISO 8253-3:2012 | Acoustics - Audiometric test methods - Part 3: Speech audiometry (ISO 8253-3:2012) | Atcelts |
| 21073 | EN ISO 3741:1999/AC:2002 | Acoustics - Determination of sound power levels of noise sources using sound pressure - Precision methods for reverberation rooms (ISO 3741:1999) | Atcelts |
Displaying 201-210 of 429 results.