PRODUCT INFORMATION
INDEX
DATE
Dep. 2
IC-G-D-00-043e F
July 2016
SOUND PRESSURE LEVEL
IN THE GAS ENGINES EXHAUST AREA
3/3
5. NOISE EMISSION AT 1800 RPM
The following table shows the
sound pressure
distribution in octave frequency bands and the total sound level
with the engine running continuously at 1800 rpm and at 100% power.
F/SFGLD/SFGM
ENGINE
180 240 360 480 560
LpA IN FREQUENCY
BANDS (Hz)
63
125
250
500
1000
2000
4000
99
128
128
120
115
112
105
101
131
131
123
118
116
108
102
131
131
126
119
116
110
99
127
134
130
123
119
112
102
125
134
128
120
115
110
LpA,
dB(A)
132 135 135 136 135
HGM ENGINES
240
420
560
LpA IN FREQUENCY
BANDS (Hz)
63
125
250
500
1000
2000
4000
102
131
133
122
119
117
110
106
129
133
123
117
114
111
103
125
136
127
121
117
113
LpA,
dB(A)
136 135 137
Notes
-
Sound power levels obtained as per the ISO 9614-2 standard.
-
Sound pressure levels measured at 1 m from the engine, calculated as per the UNE-EN ISO-11203:1996
standard.
-
The uncertainty of the results is for class 3 determinations with a maximum standard deviation of
=
4
dB(A).
1.23
O&M_2.002211.810_A_10_2016
