BS 7135 : Noise Emitted by Computer and Business Equipment
Standard Number : BS 7135-1:1989, EN 27779:1991, ISO 7779:1988
Title : Noise emitted by computer and business equipment. Method of measurement of airborne noise
Status : Superseded, Withdrawn
Replaced By : BS EN ISO 7779
Standard Number : BS 7135-2:1989, EN 29295:1991, ISO 9295:1988
Title : Noise emitted by computer and business equipment. Method of measurement of high-frequency noise
Status : Superseded, Withdrawn
Replaced By : EN ISO 9295
Standard Number : BS 7135-3:1989, ISO 9296:1988
Title : Noise emitted by computer and business equipment. Method for determining and verifying declared noise emission values
Status : Superseded, Withdrawn
Replaced By : BS EN ISO 9296