ECMA 275-1 : 4ED 2017

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.