DS DS/EN ISO 5135
DS DSEN SO 5135 1999-MAR-31 Acoustcs - Determnaton of sound power levels of nose from ar-termnal devces ar-termnal unts dampers and valves by measurement n a reverberaton room
Cart
(empty)
This standard establishes general rules for the acoustic testing of air-terminal units, dampers and valves used in air diffusion and air distribution systems as defined in ISO 3258 in order to determine sound power levels.