GSO ISO 5135:2015 声学 通过在回声室中测量来确定气动终端、气动终端、阻尼器和阀门的噪声声压级
Acoustics -- Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in a reverberation room
This International Standard establishes general rules for the acoustic testing of air-terminal units, dampers and valves used in air diffusion and air distribution systems as defin...