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SOUND POWER LEVEL EXPRESSED IN DB (A)
VED 530-540-532-541 I
Frequency
Tot.
Hz
dB[A]
100
36.9
125
38.9
160
44.1
200
48.6
250
51.1
315
51.7
400
51.2
500
50.8
630
51.6
800
55.3
1000
55.4
1250
54.0
1600
53.4
2000
51.2
2500
49.4
3150
46.3
4000
43.4
5000
39.7
6300
36.3
8000
32.5
10000
27.8
dB[A] tot.
63.5
Lw2
Lw2
Lw2
Lw1
SOUND PRESSURE LEVEL EXPRESSED IN DB (A)
VED 530-540-532-541 I
Tot.
dB[A]
55
Sound pressure level (weighted A) measured in environment with volume V=85 m
distance r=2.5m
Maximum
Lw2
Lw1
dB[A]
dB[A]
35.4
31.4
37.4
33.4
42.6
38.6
47.1
43.1
49.6
45.6
50.2
46.2
49.7
45.7
49.3
45.3
50.1
46.1
53.8
49.8
53.9
49.9
52.5
48.5
51.9
47.9
49.7
45.7
47.9
43.9
44.8
40.8
41.9
37.9
38.2
34.2
34.8
30.8
31.0
27.0
26.3
22.3
62.0
58.0
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
53.5
49.5
Medium
Tot.
Lw2
Lw1
dB[A]
dB[A]
dB[A]
35.1
33.6
29.6
35.9
34.4
30.4
41.5
40.0
36.0
46.0
44.5
40.5
48.6
47.1
43.1
49.1
47.6
43.6
49.1
47.6
43.6
48.8
47.3
43.3
49.8
48.3
44.3
53.5
52.0
48.0
52.2
50.7
46.7
51.1
49.6
45.6
50.6
49.1
45.1
48.2
46.7
42.7
46.3
44.8
40.8
43.0
41.5
37.5
39.8
38.3
34.3
35.8
34.3
30.3
32.1
30.6
26.6
28.1
26.6
22.6
23.6
22.1
18.1
61.0
59.5
55.5
Medium
Tot.
Lw2
Lw1
52.5
51
47
, reverberation time t=05s, directivity factor Q=2,
3
Minimum
Tot.
Lw2
Lw1
dB[A]
dB[A]
dB[A]
28.3
26.8
22.8
29.7
28.2
24.2
35.4
33.9
29.9
40.0
38.5
34.5
42.9
41.4
37.4
44.0
42.5
38.5
44.6
43.1
39.1
44.7
43.2
39.2
45.5
44.0
40.0
47.1
45.6
41.6
45.3
43.8
39.8
44.6
43.1
39.1
43.4
41.9
37.9
41.1
39.6
35.6
38.8
37.3
33.3
35.0
33.5
29.5
31.2
29.7
25.7
26.6
25.1
21.1
24.5
23.0
19.0
19.8
18.3
14.3
15.1
13.6
9.6
55.0
53.5
49.5
Minimum
Tot.
Lw2
Lw1
46.5
45
41
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