EN ISO 11691:2020
Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:2020)

Standard No.

EN ISO 11691:2020

Release Date

2020

Published By

European Committee for Standardization (CEN)

Latest

EN ISO 11691:2020

Replace By

FprEN ISO 11691:2020

EN ISO 11691:2020 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