Acoustics - Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in a reverberation room.
STANDARD published on 1.2.1999
Designation standards: DIN EN ISO 5135:1999-02
Note: WITHDRAWN
Publication date standards: 1.2.1999
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: German technical standard
Category: Technical standards DIN
Akustik - Bestimmung des Schalleistungspegels von Geräuschen von Luftdurchlässen, Volumendurchflußreglern, Drossel- und Absperrelementen durch Messungen im Hallraum.