Name: NEN-ISO 13347-4:2025 - Fans - Determination of fan sound power levels under standardized laboratory conditions - Part 4: Sound intensity method
Brand: Netherlands Standards

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Fans - Determination of fan sound power levels under standardized laboratory conditions - Part 4: Sound intensity method

Published date

01-07-2025

Publisher

Netherlands Standards

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This document specifies a method to measure sound power by using sound intensity measurements on a measurement surface which encloses the sound source.