GB/T 34877.2-2023
ActiveIndustrial fans—Determination of fan sound power levels under standardized laboratory conditions—Part 2:Reverberant room method
工业风机 标准实验室条件下风机声功率级的测定 第2部分：混响室法
Application Summary AI generated
This standard specifies the reverberant room method for measuring the sound power levels of industrial fans under controlled laboratory conditions. It is applied by manufacturers and testing laboratories to evaluate and compare the acoustic noise emissions of fans used in ventilation, air conditioning, and industrial process systems. The standard ensures consistent and reproducible acoustic testing for product compliance, quality control, and noise regulation purposes.
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GB/T 19411-2003
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GB/T 19412-2003
Method of measurement and rating of air conditioning system with thermal storage
GB/T 19075-2003
Industrial fans--Vocabulary and definitionsof categories
GB/T 19074-2003
Industrial fans--Mechanical safety of fans--Guarding
GB/T 14806-2003
A.C.electric ventilating fans andregulators for household and similar purposes
GB/T 1236-2000
Industrial fans--Performance testing using standardized airways
GB/T 3235-1999
Basic types sizes parameters and characteristics of fans
GB/T 17774-1999
Industrial fans--Dimensions
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.