BS 4773-2:1989
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by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
Hardcopy , PDF
15-03-1999
English
29-09-1989
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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Superseded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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