GB/T 21229-2007
ActiveAcoustics - Determination of sound power levels of noise from air-terminal devices,air-terminal units,dampers and valves by measurement in a reverberation room
声学 风道末端装置、末端单元、风道闸门和阀噪声声功率级的混响室测定
Application Summary AI generated
This standard specifies a reverberation room method for measuring the sound power levels of noise generated by air-terminal devices, units, dampers, and valves used in heating, ventilation, and air conditioning (HVAC) systems. It is applied in laboratory testing and product certification contexts to evaluate and compare the acoustic performance of these components. The standard ensures consistent noise rating for HVAC equipment in building services engineering.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.