Registration number (WIID)Project No.TitleStatus
9766EN ISO 11691:1995Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:1995)Atcelts
9731LVS EN 21680-2:1991Acoustics - Test code for the measurement of airborne noise emitted by rotating electrical machinery - Part 2: Survey method (ISO 1680-2:1986)Atcelts
9726EN 26189:1991Acoustics - Pure tone air conduction threshold audiometry for hearing conservation purposes (ISO 6189:1983)Atcelts
9791LVS EN ISO 1680:2001Acoustics - Test code for the measurement of airborne noise emitted by rotating electrical machinesAtcelts
9727EN 27029:1991Acoustics - Threshold of hearing by air conduction as a function of age and sex for otologically normal persons (ISO 7029:1984)Atcelts
9770EN ISO 4869-4:2000Acoustics - Hearing protectors - Part 4: Measurement of effective sound pressure levels for level-dependent sound-restoration ear-muffs (ISO/TR 4869-4:1998)Atcelts
9725EN ISO 3747:2000Acoustics - Determination of sound power levels of noise sources using sound pressure - Comparison method for use in situ (ISO 3747:2000)Atcelts
9732LVS EN 27182:2001Acoustics - Measurement at the operator's position of airborne noise emitted by chain sawsAtcelts
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
9813EN ISO 11205:2003Acoustics - Noise emitted by machinery and equipment - Engineering method for the determination of emission sound pressure levels in situ at the work station and at other specified positions using sound intensity (ISO 11205:2003)Atcelts
Displaying 161-170 of 427 results.