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BSI 23/30428173 DC:2023 Edition

BSI 23/30428173 DC:2023 Edition

$13.70

BS ISO 10302-1. Acoustics. Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices – Part 1. Airborne noise measurement

Published By Publication Date Number of Pages
BSI 2023 48
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PDF Catalog

PDF Pages PDF Title
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
10 3 Terms and definitions
3.1 General definitions
3.2 Acoustical definitions
11 3.3 Aerodynamic definitions
12 4 Limitations of measurement
13 5 Design and performance requirements for test plenum
5.1 General
14 5.2 Test plenum: main assembly
5.3 Mounting panel assembly
15 5.4 Adjustable exit port assembly
5.5 Insertion loss of test plenum
5.6 Instrumentation for static pressure measurement
16 6 Installation
6.1 Installation of test plenum in test room
6.2 Direction of airflow
6.3 Mounting of air-moving device
7 Operation of air-moving device
7.1 Input power
7.1.1 Alternating current (AC) air-moving devices
17 7.1.2 Direct current (DC) air-moving devices
7.2 Points of operation (AC and DC air-moving devices)
7.2.1 Required points of operation
7.2.2 Method A (conventional method)
18 7.2.3 Method B (alternative method)
7.2.4 Procedure
19 8 Measurement procedures
8.1 General
8.2 Microphone positions for measurements in an essentially free field over a reflecting plane
8.2.1 General
8.2.2 Fixed points on a hemisphere
8.2.3 Coaxial circular paths in five or more parallel planes
20 8.3 Preparations for measurements
8.4 Operational test of air-moving device
9 Measurement uncertainty
21 10 Information to be recorded
22 11 Information to be reported
32 Annex€A (normative) Micro-fan p-q curve measurement method
34 Annex€B (informative) Effects of air density
35 Annex€C (informative) Data formats for presentation
40 Annex€D (informative) Air-moving device acoustical noise specification
41 Annex€E (informative) Guidance on the development of informationon measurement uncertainty
48 Bibliography

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BSI 23/30428173 DC
$13.70