DS/ISO 13347-2:2005 Industrial fans - Determination of fan sound power levels under standardized laboratory conditions - Part 2: Reverberant room method
This standard gives a detailed description of reveberant room methods for the determination of fan sound power levels. It is for use under standardized laboratory conditions and recognises that tests in situ are subject to increased uncertainty.
DS/ISO 13347-2:2005 history
2005DS/ISO 13347-2:2005 Industrial fans - Determination of fan sound power levels under standardized laboratory conditions - Part 2: Reverberant room method