Sound Power Level definition

Sound Power Level means ten times the logarithm to the base of 10 of the ratio of the sound power (Watts) of a noise source to standard reference power of 10 Watts;
Sound Power Level. (LWA) means the A-weighted sound power level, indoors and/or outdoors, expressed in dB;
Sound Power Level means airborne acoustical noise emissions, expressed in dB(A) re 1 pW and rounded to the nearest integer.

More Definitions of Sound Power Level

Sound Power Level means the A-weighted sound power level [dB(A)] indoors and/or outdoors measured at standard rating conditions for cooling (or heating, if the product has no cooling function);
Sound Power Level means ten times the logarithm to the base of 10 of the ratio of the sound power
Sound Power Level. (LWA ) means the A-weighted sound power level, indoors and/or outdoors, expressed in dB(A), as set out in Annex III, section 6;
Sound Power Level means the rating that,
Sound Power Level means the total sound energy radiated per unit time, measured as decibels referenced to 1 picowatt using octave bands or an A-weighting;
Sound Power Level means the relative magnitude of sound power, customarily expressed in decibels referenced to 1 picowatt.
Sound Power Level. (LWA) means the A-weighted sound power level measured indoors and/or outdoors, at standard rating conditions, and expressed in dB;