ANSI/ARI 300-2009

This standard establishes a method of sound rating both the indoor and outdoor portions of packaged terminal equipment in terms of octave band sound power levels, tone adjusted A-weighted sound power rating levels, and A-weighted sound power levels. Additionally, this standard establishes a method for determining single number sound transmission loss ratings for packaged terminal equipment.

This product replaces:ARI 300-2008 - Sound Rating and Sound Transmission Loss of Packaged Terminal Equipment