This Standard specifies a method for determining the emission sound pressure level of earth-moving machinery at the operator-s position, measured in terms of the time-averaged A-weighted emission sound pressure level while the machine is operating under dynamic test conditions.
ABNT NBR ISO 6396:2011 history
2011ABNT NBR ISO 6396:2011 Machinery - Determination of the level of emission sound pressure at operator position - Dynamic test conditions