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DESCRIPTION 15 ( 50 )
/ XSNSIXI 129/1551-LZA 701 0001 Uen
CBC/ XRX/M ( Kai Lian) 2011-05-05 F
Prepared (also subject responsible if other) No.
Approved Checked Date Rev Reference
The following figures and tables show the noise dispersion for different ambient
temperature and at different distances from the cabinet.
P014704A
60
dB
50
40
30
m
60
dB
50
40
30
m
30241812
6
30241812
6
30241812
6
30241812
6
FRONT
LEFT
BACK
RIGHT
60
dB
50
40
30
m
m
60
dB
50
40
30
with sound hood without sound hood
Figure 7 Sound Pressure Levels at 20
C, Free-Standing RBS with Combined
Climate Unit, with and without Sound Hood
Table 8 Sound Pressure Levels for a Free Standing RBS with Combined Climate Unit
Calculated Distance in Metres, Each Direction
Without Sound Hood With Sound Hood
Temp.
Sound
Pressure
Level,
dBA
Front Left Right Back Front Left Right Back
35 27 17 18 10 11 10 11 9
40 15 9 10
5
6
5
6
5
50 4 3 3 1 2 1 2 1
20
60 <1 <1 <1 <1 <1 <1 <1 <1
35 34 21 22 11 10 9 10 8
40 19 12 12 6
555
4
50 6 3 3 2 1 1 1 <1
25
60 1<1<1<1<1 <1 <1<1