This standard specifies the noise measurement method for A sound level and sound pressure level, and also specifies the noise measurement method for sound power level. This standard is applicable to the noise measurement of general type fans, turbo blowers, turbo compressors (hereinafter referred to as fans) and Roots blowers.
GB/T 2888-1991 history
2008GB/T 2888-2008 Methods of noise measurement for fans blowers compressors and Roots blowers
1991GB/T 2888-1991 Methods of noise measurement for fans,blowers compressors and roots blowers