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LIVELLI DI PRESSIONE SONORA
63
MOD.
(dB)
La
Lb
La
0125
62,0
60,5
64,0
0128
62,0
61,0
64,5
0133
62,0
61,0
64,5
0142
62,5
61,0
65,0
63
MOD.
(dB)
Lc
Ld
Lc
0125
62,0
60,0
64,0
0128
62,0
60,0
64,5
0133
62,5
60,0
64,5
0142
63,0
60,0
65,0
L (a, b, c, d):
Valori di pressione sonora,
secondo DIN 45635, espressi in dB(A),
rilevati in condizioni di campo libero con
fonometro posizionato ad 1m dall'unità, 1,5m
da terra nei punti in figura.
32
BANDE D'OTTAVA \ OCTAVE BANDS (Hz)
125
250
(dB)
(dB)
Lb
La
Lb
La
60,0
56,0
57,0
57,0
60,0
56,0
57,5
58,0
61,0
56,5
58,0
58,5
61,0
56,5
58,0
59,0
BANDE D'OTTAVA \ OCTAVE BANDS (Hz)
125
250
(dB)
(dB)
Ld
Lc
Ld
Lc
63,0
56,0
55,0
57,5
63,0
56,0
55,5
58,0
63,5
56,5
56,0
58,5
64,0
56,5
56,0
59,0
Ld
Mod. 0125 - 0128 - 0133 - 0142
500
1000
(dB)
(dB)
Lb
La
Lb
La
53,5
56,0
52,5
51,5
53,5
56,0
52,5
52,0
54,5
56,5
53,0
52,0
55,0
56,5
53,5
52,5
500
1000
(dB)
(dB)
Ld
Lc
Ld
Lc
56,0
56,0
51,5
51,5
56,0
56,0
51,5
52,0
56,5
56,5
52,0
52,0
57,0
56,5
52,0
52,0
L (a, b, c, d):
La
Lc
SOUND PRESSURE LEVEL
2000
4000
(dB)
(dB)
Lb
La
Lb
La
50,0
48,0
46,0
48,5
50,0
48,0
46,0
49,0
51,0
48,0
46,0
49,0
51,0
48,5
46,5
49,0
2000
4000
(dB)
(dB)
Ld
Lc
Ld
Lc
47,5
48,0
47,0
48,0
48,0
48,0
47,5
49,0
48,0
48,0
47,5
49,0
48,0
48,5
48,0
49,0
Sound pressure level measured in
in accordance with DIN 45635 in dB(A)
free field conditions, at 1m from
the unit, 1,5m from the floor level
in the point on the picture.
Lb
TOTALE
TOTAL
8000
dB(A)
(dB)
Lb
La
Lb
48,0
60,3
57,9
48,0
60,7
57,9
48,0
61,0
58,6
48,0
61,3
58,9
TOTALE
TOTAL
8000
dB(A)
(dB)
Ld
Lc
Ld
48,0
60,4
57,9
48,0
60,7
58,0
48,0
61,1
58,4
48,0
61,2
58,6
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