18. SOUND DATA
NRP
VER
S.
Total sound levels
Octave band[Hz]
Pot.
[dB (A)]
Pressure
125
250
500
1000
2000
4000
8000
[dB (A)]
10m
32,8ft
[dB (A)]
1 m
3,3ft
Sound power by central band frequency [dB (A)]
800
A
89
57
69
83,4
78,9
81,3
83,0
77,7
73,0
62,9
900
A
92
60
72
86,4
81,9
84,3
86,0
80,7
76,0
65,9
1000
A
93
61
73
85,9
82,4
85,6
86,9
84,3
80,1
69,9
1250
A
94
62
74
86,1
87,9
87,3
88,5
86,4
80,0
67,1
1400
A
95
63
75
88,9
85,4
86,8
91,0
84,2
76,0
66,9
1500
A
96
64
76
90,9
85,4
87,8
90,0
85,2
77,5
68,9
1650
A
96
64
76
88,9
87,9
89,3
91,0
86,2
78,0
68,9
1800
A
96
64
76
87,9
88,4
89,3
91,5
85,2
76,0
67,9
SOUND POWER:
Aermec determines sound power values on the
basis of measurements made in accordance with
UNI EN ISO 9614-2, as required for Eurovent certi-
fication.
SOUND PRESSURE:
Sound pressure in free field, at 10 m/ 393,7in
distance from the external surface of the unit (in
accordance with UNI EN ISO 3744)
28
INRP260HzTY. 1312. 5806717_03
