Superseded
Standard
Historical
NBN EN ISO 11691:2009
Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:1995)
Preview
Summary
Specifies a laboratory substitution method to determine the insertion loss of ducted circular and rectangular silencers without flow, as well as other duct elements for use in ventilating and air-conditioning systems.
Technical characteristics
| Publisher | Bureau de Normalisation Belge (NBN) |
| Publication Date | 10/30/2009 |
| Cancellation Date | 02/28/2010 |
| Page Count | 21 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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