NF S31-046:1992
ACOUSTICS. DETERMINATION OF SOUND POWER LEVELS OF NOISE FROM AIR TERMINAL DEVICES,HIGH/LOW VELOCITY/PRESSURE ASSEMBLIES,DAMPERS AND VALVES BY MEASUREMENT IN A REVERBERATION ROOM. (EUROPEAN STANDARD EN 25135).

Standard No.

NF S31-046:1992

Release Date

1992

Published By

Association Francaise de Normalisation

Status

Be replaced 1999-07

Replace By

NF S30-100:1999

Latest

NF S30-100:1999

NF S31-046:1992 history

• 1999 NF S30-100:1999 Acoustics. Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in ů reverberation room.
• 1992 NF S31-046:1992 ACOUSTICS. DETERMINATION OF SOUND POWER LEVELS OF NOISE FROM AIR TERMINAL DEVICES,HIGH/LOW VELOCITY/PRESSURE ASSEMBLIES,DAMPERS AND VALVES BY MEASUREMENT IN A REVERBERATION ROOM. (EUROPEAN STANDARD EN 25135).