DS/ISO 13347-3:2005 Industrial fans - Determination of fan sound power levels under standardized laboratory conditions - Part 3: Enveloping surface methods
This standard applies to industrial fans as defined in ISO 5801 and ISO 13349. It is limited to the determination of airborne sound emission for the specified set-ups. Vibration is not measured, nor is the sensitivity of airborne sound emission to vibration effects determined.
DS/ISO 13347-3:2005 history
2005DS/ISO 13347-3:2005 Industrial fans - Determination of fan sound power levels under standardized laboratory conditions - Part 3: Enveloping surface methods