Sinclair SDV5 Series - Sound Levels

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9 Sound Levels
9.1 Overall
Table 9.1: High Static Pressure Duct sound pressure levels
1
Figure 9.1: High Static Pressure Duct sound pressure level
measurement
Model name
Sound pressure levels dB(A)
SSH
SH
H
M
L
SL
SSL
SDV5-71DHA
46
46
45
45
44
43
42
SDV5-80DHA
46
46
45
45
44
43
42
SDV5-90DHA
50
49
48
48
47
46
45
SDV5-112DHA
50
50
49
48
47
46
45
SDV5-140DHA
53
52
51
51
50
49
48
SDV5-160DHA
54
54
53
52
51
50
50
SDV5-200DHA
57
56
55
54
53
52
50
SDV5-250DHA
57
56
55 54 53 52
50
SDV5-280DHA
57
56
55 54 53 52
50
Notes:
1. Sound pressure levels are measured 1.4m below the unit in a semi-anechoic
chamber. During in-situ operation, sound pressure levels may be higher as a
result of ambient noise.
9.2 Octave Band Levels
Figure 9.2: SDV5-71,80DHA octave band levels Figure 9.3: SDV5-90DHA octave band levels
Octave band sound pressure level dB(A)
Octave band sound pressure level dB(A)
Octave band center frequency (Hz)
Octave band center frequency (Hz)
0
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
0
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
NC65
NC60
NC55
NC50
NC45
NC40
NC35
NC30
NC25
NC20
NC15
SSH
SH
H
M
L
SL
SSL
SSH
SH
H
M
L
SL
SSL
NC65
NC60
NC55
NC50
NC45
NC40
NC35
NC30
NC25
NC20
NC15