Registration number (WIID)Project No.TitleStatus
9719EN 23741:1991Acoustics - Determination of sound power levels of noise sources - Precision methods for broad-band sources in reverberation rooms (ISO 3741:1988)Atcelts
9724EN ISO 3746:1995Acoustics - 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)Atcelts
9734EN 27917:1991Acoustics - Measurement at the operator's position of airborne noise emitted by brush saws (ISO 7917:1987)Atcelts
9728EN 27566:1991Acoustics - Standard reference zero for the calibration of pure-tone bone conduction audiometers (ISO 7566:1987)Atcelts
9752EN ISO 11690-1:1996Acoustics - Recommended practice for the design of low-noise workplaces containing machinery - Part 1: Noise control strategies (ISO 11690-1:1996)Atcelts
9753EN ISO 11690-2:1996Acoustics - Recommended practice for the design of low-noise workplaces containing machinery - Part 2: Noise control measures (ISO 11690-2:1996)Atcelts
9769EN 24869-3:1993Acoustics - Hearing protectors - Part 3: Simplified method for the measurement of insertion loss of ear-muff type protectors for quality inspection purposes (ISO/TR 4869-3:1989)Atcelts
9822EN ISO 11204:1995/AC:1997Acoustics - Noise emitted by machinery and equipment - Measurement of emission sound pressure levels at a work station and at other specified positions - Method requiring environmental corrections (ISO 11204:1995)Atcelts
32561EN ISO 3743-2:2009Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering methods for small, movable sources in reverberant fields - Part 2: Methods for special reverberation test rooms (ISO 3743-2:1994)Atcelts
32580EN ISO 11204:2009Acoustics - Noise emitted by machinery and equipment - Measurement of emission sound pressure levels at a work station and at other specified positions - Method requiring environmental corrections (ISO 11204:1995, including Cor 1:1997)Atcelts
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