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SOUND POWER LEVEL EXPRESSED IN DB (A)
VED 230-240 I
Frequency
Tot.
Hz
dB[A]
100
41.8
125
40.7
160
41.8
200
43.3
250
46.9
315
50.0
400
52.2
500
49.8
630
47.2
800
48.0
1000
45.8
1250
42.7
1600
38.1
2000
36.8
2500
34.3
3150
31.0
4000
26.8
5000
24.2
6300
20.2
8000
15.7
10000
14.4
dB[A] tot.
58.2
Lw2
Lw2
Lw2
Lw1
SOUND PRESSURE LEVEL EXPRESSED IN DB (A)
VED 230 - 240 I
Tot.
dB[A]
39.7
Sound pressure level (weighted A) measured in environment with volume V=85 m
distance r=2.5m
Maximum
Lw2
Lw1
dB[A]
dB[A]
38.6
39.0
39.2
35.2
41.1
33.1
42.5
35.5
46.2
38.7
48.7
43.9
51.0
45.8
48.5
43.9
45.8
41.7
46.5
42.6
45.0
37.7
41.5
36.5
37.0
31.5
35.6
30.4
33.1
28.0
29.6
25.6
25.7
20.4
23.4
16.5
19.4
12.3
14.6
9.4
11.6
11.1
57.0
52.0
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
38.5
33.5
Medium
Tot.
Lw2
Lw1
dB[A]
dB[A]
dB[A]
38.5
35.2
35.8
37.5
36.0
32.0
38.7
38.0
30.5
40.4
39.7
32.5
44.3
43.5
36.2
47.3
46.0
41.3
49.0
47.9
42.7
46.6
45.3
40.6
44.3
42.9
38.7
45.3
43.8
39.9
42.2
41.5
34.0
39.1
38.0
32.8
34.5
33.4
27.9
32.9
31.8
26.5
30.0
28.8
23.9
26.8
25.2
21.5
22.4
21.3
15.8
19.6
18.9
11.0
15.6
15.0
6.9
11.5
10.1
5.7
12.4
10.0
8.8
55.2
54.0
49.0
Medium
Tot.
Lw2
Lw1
36.7
35.5
30.5
, reverberation time t=05s, directivity factor Q=2,
3
Minimum
Tot.
Lw2
Lw1
dB[A]
dB[A]
dB[A]
32.9
29.8
30.0
32.1
30.8
26.4
33.9
33.2
25.6
36.4
35.5
28.9
40.4
39.7
32.3
42.8
41.7
36.5
44.0
43.0
37.4
41.8
40.3
36.2
40.9
39.1
36.3
36.8
35.4
31.2
35.9
35.2
27.5
32.3
31.2
25.6
26.7
25.6
20.2
24.2
23.0
17.9
20.5
19.1
14.8
17.2
15.6
12.3
12.9
10.4
9.4
11.2
8.7
7.7
11.0
8.5
7.5
12.4
9.9
8.9
16.0
13.5
12.5
50.2
49.0
44.0
Minimum
Tot.
Lw2
Lw1
31.7
30.5
25.5
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