GB/T 34877.3-2017
ActiveIndustrial fans—Determination of fan sound power levels under standardized laboratory conditions—Part3:Enveloping surface methods
工业风机 标准实验室条件下风机声功率级的测定 第3部分：包络面法
Application Summary AI generated
This standard specifies the enveloping surface method for measuring the sound power levels of industrial fans under controlled laboratory conditions. It is applied by manufacturers and testing laboratories to ensure consistent acoustic performance evaluation of fans used in HVAC, ventilation, and industrial air-moving systems. The method enables comparison of noise emissions across different fan models for compliance with noise regulations and product specifications.
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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.