ECMA 275-2 : 4ED 2017

1 Scope
2 Normative references
3 Terms and definitions
4 Descriptors
5 Measurement uncertainty
6 Design and performance requirements for test fixture
7 Installation
8 Operation of AMDs
9 Instrumentation
10 Measurement procedure
11 Test report
Annex A (informative) - Suggested data format for presentation
Annex B (informative) - Recommended voltages for testing AMDs
        that will operate with variable speeds
Annex C (informative) - Sample specification of AMD structure-borne
        vibration levels
Annex D (informative) - Guidance on the development of information
        on measurement uncertainty
Bibliography

Defines vibration levels from small air-moving devices (AMDs) with mounting footprints of less than 0,48 m*0,90 m for the full-size test plenum defined in ISO 10302-1 and less than 0,18 m*0,3 m for the half size.