ECMA 275-1 : 4ED 2017

Current

Current The latest, up-to-date edition.

MEASUREMENT OF AIRBORNE NOISE EMITTED AND STRUCTURE-BORNE VIBRATION INDUCED BY SMALL AIR-MOVING DEVICES - PART 1: AIRBORNE NOISE MEASUREMENT

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Published date: 02-01-2018

Publisher: European Computer Manufacturers Association

Table of Contents - (Show below) - (Hide below)

1 Scope
2 Normative references
3 Terms and definitions
4 Limitations of measurement
5 Design and performance requirements for
   test plenum
6 Installation
7 Operation of air-moving device
8 Measurement procedures
9 Measurement uncertainty
10 Information to be recorded
11 Information to be reported
Annex A (normative) - Micro-fans p-q curve measurement
        method
Annex B (informative) - Effects of air density
Annex C (informative) - Data formats for presentation
Annex D (informative) - Air-moving device acoustical
        noise specification
Annex E (informative) - Guidance on the development
        of information on measurement uncertainty
Bibliography

Abstract - (Show below) - (Hide below)

Defines methods for measuring the airborne noise emitted by small air-moving devices (AMDs), such as those used for cooling electronic, electrical, and mechanical equipment where the sound power level of the AMD is of interest.

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Committee	TC 26
Development Note	Together with ECMA 275-2, it supersedes ECMA 275. (12/2017)
Document Type	Standard
ISBN
Pages
Published
Publisher	European Computer Manufacturers Association
Status	Current

Standards Referencing This Book - (Show below) - (Hide below)

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 5801:2017	Fans — Performance testing using standardized airways
ISO 10302-1:2011	Acoustics — Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices — Part 1: Airborne noise measurement
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 3745:2012	Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Precision methods for anechoic rooms and hemi-anechoic rooms
ISO 7779:2010	Acoustics Measurement of airborne noise emitted by information technology and telecommunications equipment
ISO/IEC Guide 98-3:2008	Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)

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