PRODUCT INFORMATION
INDEX
DATE
Dep. 2
IC-G-D-00-043e F
July 2016
SOUND PRESSURE LEVEL
IN THE GAS ENGINES EXHAUST AREA
2/3
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).
4. NOISE EMISSION AT 1500 RPM
The following table shows the
sound pressure
distribution in octave frequency bands and the total sound level
with the engine running continuously at 1500 rpm and at 100% power.
F/SFGLD/SFGM ENGINES
180
240
360
480
560
LpA IN FREQUENCY
BANDS (Hz)
63
125
250
500
1000
2000
4000
97
118
124
113
112
110
106
99
121
127
116
115
114
109
100
121
126
119
117
115
110
98
124
125
124
121
119
111
102
121
125
122
118
115
109
LpA,
dB(A)
126
128
129
130
129
HGM ENGINES
240
420
560
LpA IN FREQUENCY
BANDS (Hz)
63
125
250
500
1000
2000
4000
100
121
129
116
116
115
112
105
119
129
116
115
113
111
102
122
128
122
119
117
112
LpA,
dB(A)
130 130 130
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).
1.22
O&M_2.002211.810_A_10_2016