Livelli Di Pressione Sonora; Sound Pressure Levels - MAXA HWA-A/FC 0127-0142 Manual Tecnico Del Instalador Y Del Usario

LIVELLI DI PRESSIONE SONORA

63
(dB)
MOD.
La Lb La
0127 61,5 60,5 63,5
0131 61,0 61,0 63,0
0137 61,5 61,0 63,5
0142 61,5 61,0 63,5
63
(dB)
Lc Ld Lc
MOD.
0127 59,0 60,0 62,0
0131 59,0 60,0 62,0
0137 59,0 60,0 62,0
0142 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 fi gura.
BANDE D'OTTAVA / OCTAVE BANDS (Hz)
125 250
(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
(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. 0127 - 0131 - 0137 - 0142
HWA-A/FC 0127÷0142
500 1000
(dB) (dB)
Lb La Lb La
53,5 55,5 52,5 51,5
53,5 56,5 52,5 52,5
54,5 57,0 53,0 53,0
55,0 57,5 53,5 53,0
500 1000
(dB) (dB)
Ld Lc Ld Lc
56,0 53,5 51,5 50,0
56,0 54,0 51,5 50,0
56,5 54,5 52,0 50,0
57,0 55,0 52,0 50,0
L (a, b, c, d): sound pressure level measured in free fi eld
conditions, at 1 m from the unit, 1,5 m from the fl oor level in
the point on the picture.
La
Lc
29

SOUND PRESSURE LEVELS

2000 4000
(dB) (dB)
Lb La Lb La
50,0 47,5 46,0 48,0
50,0 48,0 46,0 48,5
51,0 48,5 46,0 49,0
51,0 48,5 46,5 49,0
2000 4000
(dB) (dB)
Ld Lc Ld Lc
47,5 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
Lb
TOT.
dB(A)
8000
(dB)
La Lb
Lb
48,0 59,9 57,9
48,0 60,6 57,9
48,0 61,1 58,6
48,0 61,3 58,9
TOT.
dB(A)
8000
(dB)
Lc Ld
Ld
48,0 58,1 57,9
48,0 58,3 58,0
48,0 58,6 58,4
48,0 59,0 58,6