HWA-A 91÷151
LIVELLI DI PRESSIONE SONORA
MOD.
63
(dB)
La
Lb
La
91
62,0
60,5
64,0
101
62,0
61,0
64,5
131
62,0
61,0
64,5
151
62,5
61,0
65,0
MOD.
63
(dB)
Lc
Ld
Lc
91
62,0
60,0
64,0
101
62,0
60,0
64,5
131
62,5
60,0
64,5
151
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 1 m dall'unità,
1,5 m da terra nei punti in figura.
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. 91 - 101 - 131 - 151
500
1000
2000
(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
2000
(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
4000
8000
(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
4000
8000
(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 1 m from
the unit, 1,5 m from the floor level
in the point on the picture.
Lb
TOTALE
TOTAL
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
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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