Taiwan Provincial Standard of the People's Republic of China
Latest
CNS 8753-1989
Scope
This standard specifies methods for determining the noise level of constant noise (1) emitted by various types of fans, blowers and compressors. Note (1): The so-called noise level of constant noise means that the noise changes within 8 db (decibel) and lasts for more than 5 minutes. The average value can be roughly regarded as unchanged during measurement.
CNS 8753-1989 history
1989CNS 8753-1989 Methods of Noise Level Measurement for Fans Blowers and Compressors