EN ISO 11691:2009
Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:1995)

Standard No.

EN ISO 11691:2009

Release Date

2009

Published By

European Committee for Standardization (CEN)

Status

Be replaced

Replace By

EN ISO 11691:2020

Latest

EN ISO 11691:2020

Replace

DIN EN ISO 11691/A1:2009 DIN EN ISO 11691:1996

EN ISO 11691:2009 Referenced Document

• ISO 3741:1988 Acoustics; determination of sound power levels of noise sources; precision methods for broad-band sources in reverberation rooms
• ISO 3743-1:1994 Acoustics; determination of sound power levels of noise sources; engineering methods for small, movable sources in reverberant fields; part 1: comparison method in hard-walled test rooms
• ISO 3744:1994 Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering method in an essentially free field over a reflecting plane
• ISO 9614-1:1993 Acoustics; determination of sound power levels of noise sources using sound intensity; part 1: measurement at discrete points

EN ISO 11691:2009 history

• 2020 EN ISO 11691:2020 Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:2020)
• 2009 EN ISO 11691:2009 Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:1995)
• 1995 EN ISO 11691:1995 Acoustics - Measurement of Insertion Loss of Ducted Silencers without Flow - Laboratory Survey Method ISO 11691:1995

EN ISO 11691:2009 Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:1995) has been changed from DIN EN ISO 11691:1996 Measurement of insertion loss of ducted silencers without flow — Laboratory survey method.