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SOUND POWER LEVEL EXPRESSED IN DB (A)
VED 030-40 I
Frequency
Tot.
Hz
dB[A]
100
39.4
125
38.0
160
38.9
200
40.5
250
44.1
315
47.2
400
49.4
500
47.0
630
44.5
800
45.3
1000
42.9
1250
39.9
1600
35.3
2000
34.0
2500
31.5
3150
28.3
4000
24.1
5000
21.4
6300
17.4
8000
13.0
10000
11.9
dB[A] tot.
55.5
Lw2
Lw2
Lw2
Lw1
SOUND PRESSURE LEVEL expressed in dB (A)
VED 030 - 040 I
Tot.
dB[A]
37.0
Sound pressure level (weighted A) measured in environment with volume V=85 m
distance r=2.5m
Maximum
Lw2
Lw1
dB[A]
dB[A]
35.6
37.0
36.2
33.2
38.1
31.1
39.5
33.5
43.2
36.7
45.7
41.9
48.0
43.8
45.5
41.9
42.8
39.7
43.5
40.6
42.0
35.7
38.5
34.5
34.0
29.5
32.6
28.4
30.1
26.0
26.6
23.6
22.7
18.4
20.4
14.5
16.4
10.3
11.6
7.4
8.6
9.1
54
50.0
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
Maximum
Lw2
Lw1
35.5
31.5
Medium
Tot.
Lw2
Lw1
dB[A]
dB[A]
dB[A]
37.1
33.2
34.9
35.8
34.0
31.1
36.9
36.0
29.6
38.6
37.7
31.6
42.4
41.5
35.3
45.6
44.0
40.4
47.3
45.9
41.8
44.9
43.3
39.7
42.6
40.9
37.8
43.6
41.8
39.0
40.4
39.5
33.1
37.4
36.0
31.9
32.7
31.4
27.0
31.2
29.8
25.6
28.3
26.8
23.0
25.1
23.2
20.6
20.6
19.3
14.9
17.7
16.9
10.1
13.8
13.0
6.0
9.8
8.1
4.8
10.9
8.0
7.9
53.5
52
48.0
Medium
Tot.
Lw2
Lw1
35.0
33.5
29.5
, reverberation time t=05s, directivity factor Q=2,
3
Minimum
Tot.
Lw2
Lw1
dB[A]
dB[A]
dB[A]
28.4
24.8
26.0
27.4
25.8
22.4
29.1
28.2
21.6
31.6
30.5
24.9
35.6
34.7
28.3
38.1
36.7
32.5
39.3
38.0
33.4
37.1
35.3
32.2
36.3
34.1
32.3
32.1
30.4
27.2
31.1
30.2
23.5
27.5
26.2
21.6
21.9
20.6
16.2
19.4
18.0
13.9
15.7
14.1
10.8
12.6
10.6
8.3
6.8
5.4
5.4
5.0
3.7
3.7
5.6
3.5
3.5
7.5
4.9
4.9
11.2
8.5
8.5
45.5
44
40
Minimum
Tot.
Lw2
Lw1
27.0
25.5
21.5
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