30
5880751_01
Key:
Tot.: Total sound power level
Lw1: Sound power level emitted by the unit flow
Lw2: Power sound level emitted by the unit and suction side
(E)= EUROVENT certified performance
Lw2
Lw2
Lw2
Lw1
Acoustic tests performed according to EUROVENT 8/2 (ISO 3741/2001)
SOUND PRESSURE LEVEL EXPRESSED IN DB A
VES_I 330 - 340
Sound pressure level (weighted A) measured in environment with volume V=85 m
3
, reverberation time t=05s, directivity factor Q=2,
distance r=2.5m
VES_I 330-340
Maximum Medium Minimum
Frequency Tot. Lw2 Lw1 Tot. Lw2 Lw1 Tot. Lw2 Lw1
Hz dB[A] dB[A] dB[A] dB[A] dB[A] dB[A] dB[A] dB[A] dB[A]
100 43.4 39.6 41.0 40.1 36.2 37.8 22.4 18.8 20.0
125 42.0 40.2 37.2 38.8 37.0 34.0 21.4 19.8 16.4
160 42.9 42.1 35.1 39.9 39.0 32.5 23.1 22.2 15.6
200 44.5 43.5 37.5 41.6 40.7 34.5 25.6 24.5 18.9
250 48.1 47.2 40.7 45.4 44.5 38.2 29.6 28.7 22.3
315 51.2 49.7 45.9 48.5 47.0 43.3 32.1 30.7 26.5
400 53.4 52.0 47.8 50.3 48.9 44.7 33.3 32.0 27.4
500 51.0 49.5 45.9 47.8 46.3 42.6 31.1 29.3 26.2
630 48.5 46.8 43.7 45.6 43.9 40.7 30.3 28.1 26.3
800 49.3 47.5 44.6 46.6 44.8 41.9 26.1 24.4 21.2
1000 46.9 46.0 39.7 43.3 42.5 36.0 25.1 24.2 17.5
1250 43.9 42.5 38.5 40.4 39.0 34.8 21.5 20.2 15.6
1600 39.3 38.0 33.5 35.7 34.4 29.9 15.9 14.6 10.2
2000 38.0 36.6 32.4 34.2 32.8 28.5 13.4 12.0 7.9
2500 35.5 34.1 30.0 31.2 29.8 25.9 9.7 8.1 4.8
3150 32.3 30.6 27.6 28.1 26.2 23.5 6.6 4.6 2.3
4000 28.1 26.7 22.4 23.6 22.3 17.8 6.4 2.5 4.2
5000 25.4 24.4 18.5 20.7 19.9 13.0 6.6 3.5 3.6
6300 21.4 20.4 14.3 16.8 16.0 8.9 7.3 4.0 4.6
8000 17.0 15.6 11.4 12.8 11.1 7.7 9.1 6.0 6.1
10000 15.9 12.6 13.1 13.9 11.0 10.8 9.3 7.0 5.5
dB[A] tot. 59.5 58.0 54.0 56.4 55.0 51.0 39.5 38.0 34.0
Maximum Medium Minimum
Tot. Lw2 Lw1 Tot. Lw2 Lw1 Tot. Lw2 Lw1
dB[A] 78 58 54 56.4 55 51 39.5 38 34
SOUND POWER LEVEL EXPRESSED IN DB A
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