NBN EN ISO 11691 : 2009
Current
The latest, up-to-date edition.
ACOUSTICS - MEASUREMENT OF INSERTION LOSS OF DUCTED SILENCERS WITHOUT FLOW - LABORATORY SURVEY METHOD
12-01-2013
Defines a laboratory substitution method for determination of insertion loss without flow of ducted, mostly absorbent, circular and rectangular silencers in addition to other duct elements to be used in ventilation and air-conditioning systems.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.