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I.S. EN ISO 11691:2009

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

ACOUSTICS - MEASUREMENT OF INSERTION LOSS OF DUCTED SILENCERS WITHOUT FLOW - LABORATORY SURVEY METHOD
Available format(s)

Hardcopy , PDF

Superseded date

04-01-2021

Language(s)

English

Published date

01-01-2009

Preview

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Test facility
5 Test procedure
6 Information to be recorded
7 Information to be reported
Annex A (informative) Bibliography
Annex ZA (informative) Relationship between this European Standard
         and the Essential Requirements of EU Directive 98/37/EC
Annex ZB (informative) Relationship between this European Standard
         and the Essential Requirements of EU Directive 2006/42/EC

Defines a laboratory substitution method for 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.

DocumentType
Standard
Pages
20
PublisherName
National Standards Authority of Ireland
Status
Superseded
SupersededBy
Supersedes

ISO 5725-1:1994 Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions
ISO 3744:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Engineering methods for 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
IEC 60942:2003 Electroacoustics - Sound calibrators
ISO 9614-2:1996 Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 2: Measurement by scanning
ISO 3741:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Precision methods for reverberation test rooms
ISO 7235:2003 Acoustics — Laboratory measurement procedures for ducted silencers and air-terminal units — Insertion loss, flow noise and total pressure loss
IEC 61260:1995 Electroacoustics - Octave-band and fractional-octave-band filters
IEC 60651:1979+AMD1:1993+AMD2:2000 CSV Sound level meters
IEC 60804:2000 Integrating-averaging sound level meters
ISO 3743-1:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Engineering methods for small movable sources in reverberant fields Part 1: Comparison method for a hard-walled test room

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