BS 7458 : ISO 1680 : Rotating Electrical Machinery
Airborne Noise
Standard Number : BS 7458-1:1991, EN 21680-1:1991, ISO 1680-1:1986
Title : Test code for the measurement of airborne noise emitted by rotating electrical machinery. Engineering method for free-field conditions over a reflecting plane
Status : Superseded, Withdrawn
Replaced By : BS EN ISO 1680
Standard Number : BS 7458-2:1991, EN 21680-2:1991, ISO 1680-2:1986
Title : Test code for the measurement of airborne noise emitted by rotating electrical machinery. Survey method
Status : Superseded, Withdrawn
Replaced By : BS EN ISO 1680