32
IVES0LJ 1707 - 5880761_01
VES 230-240
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 41.8 38.6 39.0 38.5 35.2 35.8 32.9 29.8 30.0
125 40.7 39.2 35.2 37.5 36.0 32.0 32.1 30.8 26.4
160 41.8 41.1 33.1 38.7 38.0 30.5 33.9 33.2 25.6
200 43.3 42.5 35.5 40.4 39.7 32.5 36.4 35.5 28.9
250 46.9 46.2 38.7 44.3 43.5 36.2 40.4 39.7 32.3
315 50.0 48.7 43.9 47.3 46.0 41.3 42.8 41.7 36.5
400 52.2 51.0 45.8 49.0 47.9 42.7 44.0 43.0 37.4
500 49.8 48.5 43.9 46.6 45.3 40.6 41.8 40.3 36.2
630 47.2 45.8 41.7 44.3 42.9 38.7 40.9 39.1 36.3
800 48.0 46.5 42.6 45.3 43.8 39.9 36.8 35.4 31.2
1000 45.8 45.0 37.7 42.2 41.5 34.0 35.9 35.2 27.5
1250 42.7 41.5 36.5 39.1 38.0 32.8 32.3 31.2 25.6
1600 38.1 37.0 31.5 34.5 33.4 27.9 26.7 25.6 20.2
2000 36.8 35.6 30.4 32.9 31.8 26.5 24.2 23.0 17.9
2500 34.3 33.1 28.0 30.0 28.8 23.9 20.5 19.1 14.8
3150 31.0 29.6 25.6 26.8 25.2 21.5 17.2 15.6 12.3
4000 26.8 25.7 20.4 22.4 21.3 15.8 12.9 10.4 9.4
5000 24.2 23.4 16.5 19.6 18.9 11.0 11.2 8.7 7.7
6300 20.2 19.4 12.3 15.6 15.0 6.9 11.0 8.5 7.5
8000 15.7 14.6 9.4 11.5 10.1 5.7 12.4 9.9 8.9
10000 14.4 11.6 11.1 12.4 10.0 8.8 16.0 13.5 12.5
dB[A] tot. 58.2 57.0 52.0 55.2 54.0 49.0 50.2 49.0 44.0
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 POWER LEVEL expressed in dB A
SOUND PRESSURE LEVEL EXPRESSED IN DB A
VES 230 - 240
Maximum Medium Minimum
Tot. Lw2 Lw1 Tot. Lw2 Lw1 Tot. Lw2 Lw1
dB[A] 39.7 38.5 33.5 36.7 35.5 30.5 31.7 30.5 25.5
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