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BS 4773-2:1989

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

Methods for testing and rating air terminal devices for air distribution systems Acoustic testing

Available format(s)

Hardcopy , PDF

Superseded date

15-03-1999

Superseded by

BS EN ISO 5135:1999

Language(s)

English

Published date

29-09-1989

€165.94
Excluding VAT

National foreword
Committees responsible
Method
0 Introduction
1 Scope and field of application
2 References
3 Definitions
4 Acoustical test facilities and procedures
5 Installation and operation of equipment to be
     tested
6 Auxiliary facilities
7 Measurements and calculations
8 Information to be reported
Figures
1 Location of equipment in test room
2 Mounting detail for air terminal device installed
     on or against a surface
3 Mounting detail for equipment installed at
     intersection of two surfaces
4 Mounting detail for air terminal device installed
     away from surface
5 Mounting detail for air control device installed
     outside room boundary
6 Mounting detail for air control device to
     determine casing radiated sound
7a) Examples of LW and LWA plotted against lg qv for an
     assembly with constant total pressure loss
     coefficient
7b) Examples of LW and LWA plotted against lg delta pt
     with constant flow rate

Testing in reverberation rooms of air terminal devices, high/low velocity/pressure assemblies, dampers and valves used in air diffusion and distribution systems.

Committee
EH/1
DocumentType
Standard
Pages
22
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
ISO 5135:1997 Similar to

ISO 3742:1988 Acoustics — Determination of sound power levels of noise sources — Precision methods for discrete-frequency and narrow-band sources in reverberation rooms
ISO 3740:2000 Acoustics Determination of sound power levels of noise sources Guidelines for the use of basic standards
ISO 5219:1984 Air distribution and air diffusion Laboratory aerodynamic testing and rating of air terminal devices
ISO 3258:1976 Air distribution and air diffusion — Vocabulary
BS 4773-1:1971 Methods for testing and rating air terminal devices for air distribution systems Aerodynamic testing
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 5220:1981 Air distribution and air diffusion Aerodynamic testing and rating of constant and variable dual or single duct boxes and single duct units
ISO 3285:1986 Road vehicles — Ignition coil mounting brackets

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