47
IVEDITI 1707 - 4880981_01
VED 530-540-532-541 I
Lw2 Lw1 Lw2 Lw1 Lw2 Lw1
Hz
100 36.9 35.4 31.4 35.1 33.6 29.6 28.3 26.8 22.8
125 38.9 37.4 33.4 35.9 34.4 30.4 29.7 28.2 24.2
160 44.1 42.6 38.6 41.5 40.0 36.0 35.4 33.9 29.9
200 48.6 47.1 43.1 46.0 44.5 40.5 40.0 38.5 34.5
250 51.1 49.6 45.6 48.6 47.1 43.1 42.9 41.4 37.4
315 51.7 50.2 46.2 49.1 47.6 43.6 44.0 42.5 38.5
400 51.2 49.7 45.7 49.1 47.6 43.6 44.6 43.1 39.1
500 50.8 49.3 45.3 48.8 47.3 43.3 44.7 43.2 39.2
630 51.6 50.1 46.1 49.8 48.3 44.3 45.5 44.0 40.0
800 55.3 53.8 49.8 53.5 52.0 48.0 47.1 45.6 41.6
1000 55.4 53.9 49.9 52.2 50.7 46.7 45.3 43.8 39.8
1250 54.0 52.5 48.5 51.1 49.6 45.6 44.6 43.1 39.1
1600 53.4 51.9 47.9 50.6 49.1 45.1 43.4 41.9 37.9
2000 51.2 49.7 45.7 48.2 46.7 42.7 41.1 39.6 35.6
2500 49.4 47.9 43.9 46.3 44.8 40.8 38.8 37.3 33.3
3150 46.3 44.8 40.8 43.0 41.5 37.5 35.0 33.5 29.5
4000 43.4 41.9 37.9 39.8 38.3 34.3 31.2 29.7 25.7
5000 39.7 38.2 34.2 35.8 34.3 30.3 26.6 25.1 21.1
6300 36.3 34.8 30.8 32.1 30.6 26.6 24.5 23.0 19.0
8000 32.5 31.0 27.0 28.1 26.6 22.6 19.8 18.3 14.3
10000 27.8 26.3 22.3 23.6 22.1 18.1 15.1 13.6 9.6
Key:
Total
sound power level
Lw1: Sound power level
emitted by the unit flow
Lw2: Power sound level
emitted by the unit and suction side
SOUND PRESSURE LEVEL
S
3
, reverberation time t=05s, directivity factor Q=2,
distance r=2.5m
VED 530-540-532-541 I
Lw2 Lw1 Lw2 Lw1 Lw2 Lw1
55 53.5 49.5 52.5 51 47 46.5 45 41
Lw2
Lw2
Lw2
Lw1
SOUND POWER LEVEL
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