Sound and Vibration Standards


BS EN 24869 : ISO 4869 : Acoustics
Sound Attenuation of Hearing Protectors


Standard Number : BS EN 24869-1:1993, ISO 4869-1:1990
Title : Acoustics. Hearing protectors. Sound attenuation of hearing protectors. Subjective method of measurement
Status : Current
Publication Date : 28 June 1991
Confirm Date : 01 January 2003
Replaces : BS 5108:1983, ISO 4869-1981
International Relationships : EN 24869-1:1992, ISO 4869-1:1990
Amended By : AMD7552

Standard Number : BS EN 24869-3:1994, ISO/TR 4869-3:1989
Title : Acoustics. Hearing protectors. Simplified method for the measurement of insertion loss of ear-muff type protectors for quality inspection purposes
Status : Superseded, Withdrawn
Replaced By : BS EN ISO 4869-3:2007
 
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