CEN/TC 211
Registration number (WIID) | Project No. | Title | Status |
---|---|---|---|
9800 | EN ISO 7779:2001 | Acoustics - Measurement of airborne noise emitted by information technology and telecommunications equipment (ISO 7779:1999) | Atcelts |
9772 | EN ISO 389:1995 | Acoustics - Standard reference zero for the calibration of pure-tone air conduction audiometers (ISO 389:1991) | Atcelts |
9733 | EN 27779:1991 | Acoustics - Measurement of airborne noise emitted by computer and business equipment (ISO 7779:1988) | Atcelts |
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 |
9789 | EN ISO 3741:1999 | Acoustics - Determination of sound power levels of noise sources using sound pressure - Precision methods for reverberation rooms (ISO 3741:1999) | Atcelts |
9743 | 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 |
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 |
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 |
9824 | LVS EN ISO 11688-1:1998 +AC:1998 | Acoustics - Recommended practice for design of low-noise machinery and equipment - Part 1: Planning | Atcelts |
Displaying 221-230 of 427 results.