NF S31-111*NF EN ISO 9295:2015
Acoustics - Determination of high-frequency sound power levels emitted by machinery and equipment

Standard No.

NF S31-111*NF EN ISO 9295:2015

Release Date

2015

Published By

Association Francaise de Normalisation

Latest

NF S31-111*NF EN ISO 9295:2015

Replace

NF S31-111:1992

NF S31-111*NF EN ISO 9295:2015 Referenced Document

• ISO 3741 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Precision methods for reverberation test rooms
• ISO 3744 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane
• ISO 6926 Acoustics — Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels — Amendment 1*， 2020-11-23 Update
• ISO 9613-1 Acoustics; attenuation of sound during propagation outdoors; part 1: calculation of the absorption of sound by the atmosphere

NF S31-111*NF EN ISO 9295:2015 history

• 0000 NF S31-111:2015
• 1992 NF S31-111:1992 Acoustics. Measurement of high-frequency noise emitted by computer and business equipment.
• 0000 NF S31-111:1989