CEN/TC 211
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 9735 | EN 29295:1991 | Acoustics - Measurement of high-frequency noise emitted by computer and business equipment (ISO 9295:1988) | Atcelts |
| 9737 | EN 21683:1994 | Acoustics - Preferred reference quantities for acoustic levels (ISO 1683:1983) | Atcelts |
| 9781 | LVS EN ISO 389-5:2001 | Acoustics - Reference zero for the calibration of audiometric equipment - Part 5: Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz | Atcelts |
| 9752 | LVS EN ISO 11690-1:2001 | Acoustics - Recommended practice for the design of low-noise workplaces containing machinery - Part 1: Noise control strategies | Atcelts |
| 9733 | LVS EN 27779:1991 | Acoustics - Measurement of airborne noise emitted by computer and business equipment (ISO 7779:1988) | Atcelts |
| 9730 | LVS 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 |
| 9802 | EN ISO 7235:2003 | Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss (ISO 7235:2003) | Atcelts |
| 33252 | EN ISO 7779:2010 | Acoustics - Measurement of airborne noise emitted by information technology and telecommunications equipment (ISO 7779:2010) | Atcelts |
| 9772 | EN ISO 389:1995 | Acoustics - Standard reference zero for the calibration of pure-tone air conduction audiometers (ISO 389:1991) | Atcelts |
| 32578 | EN ISO 11202:2009 | Acoustics - Noise emitted by machinery and equipment - Measurement of emission sound pressure levels at a work station and at other specified positions - Survey method in situ (ISO 11202:1995) | Atcelts |
Displaying 181-190 of 427 results.