EN
21.11 - 6755517_05
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14. SOUND DATA
S
Aermec determines sound power values in
agreement with the 9614 Standard, in com
-
pliance with that requested by Eurovent cer-
tification.
Sound Pressure
Sound pressure measured in free field condi
-
tions with reflective surface (directivity fac-
surface of unit, in compliance with ISO 3744
regulations.
KEY
ANL
Total sound levels Octave band [Hz]
dB(A)
Pressure. 125 250 500 1000 2000 4000 8000
dB(A)
dB(A)
100 76.0 44.0 58.0 61.2 66.0 71.4 72.0 68.9 60.5 48.6
150 77.0 45.0 59.0 62.4 67.3 72.2 72.7 69.7 61.5 49.6