This standard specifies the method for the determination of the noise A sound level and the octave band sound pressure level of the chainsaw at the operator's position. This standard applies to portable chainsaws, and the operating conditions of the chainsaw simulate the scene conditions in forest areas.
GB/T 5390-1995 history
2013GB/T 5390-2013 Forestry and garden machinery.Noise test code for portable hand-held machines with internal combustion engine.Engineering method (Grade 2 accuracy)
2008GB/T 5390-2008 Forestry machinery.Noise test code for portble hand-held machines with internal combustion engine.Engineering method(Grade 2 accuracy)
1995GB/T 5390-1995 Portable chain saws--Measurement at the operator's position of air-borne noise