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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
Published date

01-02-2018

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

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.

Committee
TC 26
DevelopmentNote
Together with ECMA 275-2, it supersedes ECMA 275. (12/2017)
DocumentType
Standard
PublisherName
European Computer Manufacturers Association
Status
Current

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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