Registration number (WIID)Project No.TitleStatus
9772EN ISO 389:1995Acoustics - Standard reference zero for the calibration of pure-tone air conduction audiometers (ISO 389:1991)Atcelts
9728LVS EN 27566:1991Acoustics - Standard reference zero for the calibration of pure-tone bone conduction audiometers (ISO 7566:1987)Atcelts
32559EN ISO 3741:2009Acoustics - Determination of sound power levels of noise sources using sound pressure - Precision methods for reverberation rooms (ISO 3741:1999, including Cor 1:2001)Atcelts
26821EN ISO 3745:2003/AC:2006Acoustics - Determination of sound power levels of noise sources using sound pressure - Precision methods for anechoic and hemi-anechoic rooms (ISO 3745:2003)Atcelts
9743LVS EN 25135:1991Acoustics - 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
9730LVS EN 21680-1:1991Acoustics - 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
9719LVS EN 23741:1991Acoustics - Determination of sound power levels of noise sources - Precision methods for broad-band sources in reverberation rooms (ISO 3741:1988)Atcelts
9820EN ISO 11200:1995/AC:1997Acoustics - Noise emitted by machinery and equipment - Guidelines for the use of basic standards for the determination of emission sound pressure levels at a work station and other specified positions (ISO 11200:1995)Atcelts
9733EN 27779:1991Acoustics - Measurement of airborne noise emitted by computer and business equipment (ISO 7779:1988)Atcelts
9729EN 28798:1991Acoustics - Reference levels for narrow-band masking noise (ISO 8798:1987)Atcelts
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