IVEDITI 1707 - 4880981_01
VED 730-740-732-741 I
SOUND POWER LEVEL
Lw2 Lw1 Lw2 Lw1 Lw2 Lw1
Hz dB[A] dB[A] dB[A] dB[A] dB[A] dB[A] dB[A] dB[A] dB[A]
100 39.1 37.6 33.6 36.0 34.5 30.5 32.5 31.0 27.0
125 42.4 40.9 36.9 39.8 38.3 34.3 36.0 34.5 30.5
160 48.1 46.6 42.6 45.2 43.7 39.7 41.0 39.5 35.5
200 52.3 50.8 46.8 49.4 47.9 43.9 45.2 43.7 39.7
250 53.3 51.8 47.8 50.8 49.3 45.3 46.8 45.3 41.3
315 54.2 52.7 48.7 51.9 50.4 46.4 48.3 46.8 42.8
400 55.3 53.8 49.8 53.3 51.8 47.8 50.3 48.8 44.8
500 57.4 55.9 51.9 55.6 54.1 50.1 52.8 51.3 47.3
630 57.5 56.0 52.0 55.5 54.0 50.0 51.9 50.4 46.4
800 60.5 59.0 55.0 58.6 57.1 53.1 54.5 53.0 49.0
1000 63.4 61.9 57.9 60.9 59.4 55.4 57.1 55.6 51.6
1250 63.1 61.6 57.6 60.5 59.0 55.0 56.4 54.9 50.9
1600 61.0 59.5 55.5 58.1 56.6 52.6 53.2 51.7 47.7
2000 58.3 56.8 52.8 55.4 53.9 49.9 50.4 48.9 44.9
2500 54.9 53.4 49.4 51.8 50.3 46.3 46.9 45.4 41.4
3150 51.3 49.8 45.8 48.3 46.8 42.8 43.2 41.7 37.7
4000 48.0 46.5 42.5 44.8 43.3 39.3 38.4 36.9 32.9
5000 43.5 42.0 38.0 39.5 38.0 34.0 32.5 31.0 27.0
6300 39.0 37.5 33.5 34.8 33.3 29.3 27.8 26.3 22.3
8000 35.7 34.2 30.2 31.2 29.7 25.7 24.0 22.5 18.5
10000 30.8 29.3 25.3 26.2 24.7 20.7 19.1 17.6 13.6
SOUND PRESSURE LEVEL
S
3
, reverberation time t=05s, directivity factor Q=2,
distance r=2.5m
VED 730-740-732-741 I
Lw2 Lw1 Lw2 Lw1 Lw2 Lw1
61.5 60 56 59 57.5 53.5 55 53.5 49.5
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
Lw2
Lw2
Lw2
Lw1
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