ISO 11691:2020 Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss
Publication Year
2020
Document Status
Current
Abstract
Specifies a laboratory substitution method to determine the insertion loss without flow of ducted, mainly absorbent, circular and rectangular silencers, as well as other duct elements for use in ventilating and air-conditioning systems.
Publisher Information
International Organization for Standardization
ISO is an independent, non-governmental international organization comprising 162 national standards bodies, gathering experts to share knowledge and develop voluntary, consensus-based, market relevant International Standards - specifications for products, services and systems to ensure quality, safety and efficiency.
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ISO
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