Inhaltsverzeichnis
Werbung
LIVELLI DI PRESSIONE SONORA
MOD.
63
(dB)
La
Lb
La
91
61,5
60,5
63,5
101
61,0
61,0
63,0
131
61,5
61,0
63,5
151
61,5
61,0
63,5
MOD.
63
(dB)
Lc
Ld
Lc
91
59,0
60,0
62,0
101
59,0
60,0
62,0
131
59,0
60,0
62,0
151
59,0
60,0
63,5
L (a, b, c, d):
valori di pressione sonora
rilevati in condizioni di campo libero
con fonometro posizionato ad 1 m dall'unità,
1,5 m da terra nei punti in figura.
22
BANDE D'OTTAVA / OCTAVE BANDS (Hz)
125
250
500
(dB)
(dB)
(dB)
Lb
La
Lb
La
60,0
55,5
57,0
56,5
60,0
55,5
57,5
57,0
61,0
56,0
58,0
57,5
61,0
56,0
58,0
57,5
BANDE D'OTTAVA / OCTAVE BANDS (Hz)
125
250
500
(dB)
(dB)
(dB)
Ld
Lc
Ld
Lc
63,0
53,5
55,0
54,5
63,0
53,5
55,5
54,5
63,5
54,0
56,0
54,5
64,0
54,0
56,0
54,5
Ld
Mod. 91 - 101 - 131 - 151
1000
2000
(dB)
(dB)
Lb
La
Lb
La
Lb
53,5
55,5
52,5
51,5
50,0
53,5
56,5
52,5
52,5
50,0
54,5
57,0
53,0
53,0
51,0
55,0
57,5
53,5
53,0
51,0
1000
2000
(dB)
(dB)
Ld
Lc
Ld
Lc
Ld
56,0
53,5
51,5
50,0
47,5
56,0
54,0
51,5
50,0
48,0
56,5
54,5
52,0
50,0
48,0
57,0
55,0
52,0
50,0
48,0
L (a, b, c, d):
sound pressure level measured in
free field conditions, at 1 m from
the unit, 1,5 m from the floor level
in the point on the picture.
La
Lc
SOUND PRESSURE LEVEL
4000
8000
(dB)
(dB)
La
Lb
La
Lb
47,5
46,0
48,0
48,0
48,0
46,0
48,5
48,0
48,5
46,0
49,0
48,0
48,5
46,5
49,0
48,0
4000
8000
(dB)
(dB)
Lc
Ld
Lc
Ld
46,0
47,0
47,0
48,0
46,0
47,5
47,5
48,0
46,5
47,5
48,0
48,0
47,0
48,0
48,0
48,0
Lb
TOT.
dB(A)
La
Lb
59,9
57,9
60,6
57,9
61,1
58,6
61,3
58,9
TOT.
dB(A)
Lc
Ld
58,1
57,9
58,3
58,0
58,6
58,4
59,0
58,6
Werbung
Inhaltsverzeichnis
