IS EN ISO 11691:2020 Acoustics - Measurement of insertion loss of ducted silencers without flow. Laboratory survey method
Publication Year
2020
Document Status
Current
Abstract
A laboratory substitution method to determine the insertion loss without flow of ducted, mainly absorbent, circular and rectangular silencers, and other duct elements for use in ventilating and air-conditioning systems.
Publisher Information
National Standards Authority of Ireland
National Standards Authority of Ireland (NSAI) is Ireland’s official standards body. They operate under the National Standards Authority of Ireland Act (1996) and are accountable to the Minister of Enterprise, Trade, Employment and Innovation.
