I.S. EN IEC 60704-2-7:2020
Current
The latest, up-to-date edition.
Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 2-7: Particular requirements for fans (IEC 60704-2-7:2020)
Hardcopy , PDF
English - French
16-04-2020
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
FOREWORD
1 Scope and object
2 Normative references
3 Terms and definitions
4 Measurement methods and acoustical environments
5 Instrumentation
6 Operation and location of appliances under test
7 Measurement of sound pressure levels
8 Calculation of sound pressure and sound power levels
9 Information to be recorded
10 Information to be reported
Annexes
Annex B (normative) Test enclosure
Bibliography
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