Publicité
LIVELLI DI PRESSIONE SONORA
MOD.
63
(dB)
La
Lb
La
15
57,7
47,7
50,8 46,2 50,3 45,8 49,8 48,3 47,8 43,8 46,3 40,8 42,8 41,3 45,8 44,8 53,7 50,8
18
58,0 48,0 51,0 46,5 50,5 46,0 50,0 48,5 48,0 44,0 46,5 41,0 43,0 41,5 46,0 45,0 53,9 51,0
21
58,0 49,0 51,0
25
59,0 49,0 51,0
31
60,5 60,5 66,5 62,0 60,5 58,5 53,5 50,0 50,5 44,0 49,0 44,5 47,5 43,5 46,5 45,5 58,4 54,8
41
54,0 51,0 56,0 50,5 54,0 50,0 59,0 46,0 51,5
51
54,5 51,0 56,0 50,5 54,5 50,5 59,5 46,5 52,0 47,0
61
55,0 51,5 56,3 51,0 54,6 51,0 59,7 47,0
71
55,0 52,0 56,3 51,0 54,6 51,5 59,7 47,0 52,2 48,0 47,5 44,5 47,0 44,0 47,0
81
55,5 52,5 56,7 51,5 54,9 52,0 59,8
MOD.
63
(dB)
Lc
Ld
Lc
15
57,8 49,3 50,3 49,7 51,8 48,7 54,3 50,2 49,8 47,7
18
58,0 49,5 50,5 50,0 52,0 49,0 54,5 50,5 50,0 48,0 46,0 44,0 43,0 42,0 45,5 45,0 55,7 53,2
21
58,5 49,5 51,0 50,0 52,0 50,0 55,0 50,5 50,0 48,0 46,5 44,0 43,0 42,5 45,5 45,5 55,9 53,4
25
58,5 50,0 51,0 50,5 53,0 50,0 55,0 51,0 50,5 48,5 47,0 45,0 43,0 42,5 46,0 45,5 56,2 53,8
31
60,7 51,7 52,2 52,7 54,3 50,7 56,3 52,2 51,7 49,0 48,5 45,5 44,0 43,5 46,5 46,5 57,5 54,6
41
56,0 52,0 55,5 51,0 55,5 51,0 56,0 52,5 51,0 49,5 49,5 45,5 45,0 46,0 47,0
51
56,5 52,0 55,5 51,5 56,0 51,0 56,0 53,0 53,5 49,7 49,5 45,5 45,5 47,0
61
56,0 53,0 56,0 52,0 56,0 51,5 56,5 53,5 53,5 50,0 50,0 46,0 46,0 46,5 47,0
71
56,0 53,0 56,0 51,5 56,0 51,5 56,5 54,0 54,0 50,0 50,0 46,0 46,5 46,0 47,0
81
56,5 53,5 56,5 52,0 56,5 52,0
L (a, b, c, d):
valori di pressione sonora rilevati in
condizioni di campo libero con fono-
metro posizionato ad 1 m dall'unità e
1,5 m da terra, nei punti in figura.
16
BANDE D'OTTAVA\OCTAVE BANDS (Hz)
125
250
500
(dB)
(dB)
(dB)
Lb
La
Lb
La
47,0
51,0 46,0 50,5 49,0 48,5 44,5 46,5 41,5 43,0 42,0 46,0 45,5 54,2 51,5
52,0 46,5 51,0 49,5 49,5 45,5 47,0 42,5 43,0 42,0 46,0 45,5 54,7 52,0
47,0
BANDE D'OTTAVA\OCTAVE BANDS (Hz)
125
250
500
(dB)
(dB)
(dB)
Ld
Lc
Ld
Lc
57,1
Ld
Mod. 15 - 18 - 21 - 25 - 31- 41- 51 - 61 - 71 - 81
1000
2000
(dB)
(dB)
Lb
La
Lb
La
47,5
47,0 44,0 46,0 43,5 47,0 46,0 58,7 52,6
47,5 44,0 47,0 44,0 47,5
52,1
47,5
47,5 44,5 47,0 44,0 47,0
47,1
52,2 48,5 47,5 44,7
1000
2000
(dB)
(dB)
Ld
Lc
Ld
Lc
45,8 43,7 42,8 41,7 45,5 45,0 55,5 52,9
54,1
54,1 50,1 50,2 46,2 46,7 46,3 47,3
L (a, b, c, d):
La
Lc
SOUND PRESSURE LEVEL
4000
8000
(dB)
(dB)
Lb
La
Lb
La
Lb
47,0 59,2 52,9
47,0 59,3 53,2
47,0 59,3 53,4
47,3 44,3 47,3
47,3 59,4 53,7
4000
8000
(dB)
(dB)
Ld
Lc
Ld
Lc
Ld
47,0
47,0 58,3 55,6
47,0
47,5 58,6 55,9
47,0 58,8 55,9
47,3
sound pressure level measured in
free field conditions, at 1 m from
the unit et 1,5 m from the floor level,
in the point on the picture.
Lb
TOTALE
TOTAL
dB(A)
La
Lb
TOTALE
TOTAL
dB(A)
Lc
Ld
57,6 55,2
59,1 56,1
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