This standard specifies the measurement method for the noise (A-weighted sound level) near the operator's ear of a portable wind-powered fire extinguisher. This standard applies to portable wind fire extinguishers (hereinafter referred to as wind fire extinguishers).
GB/T 10284-1999 history
2016GB/T 10284-2016 Forestry machinery.Portable pneumatic fire extinguisher.Measurement of noise
2008GB/T 10284-2008 Forestry machinery.Portable pneumatic fire extinguisher.Measurement of noise
1999GB/T 10284-1999 Portable pneumatic extinguishers-- Measurement of airborne noise at the operator's ear