2008

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Exterior Noise Test

Accelerating from Standstill

Date : 2009-04-09
Personnel : C.S., T.S. & S.C.
Temperature (°F) : 51 Humidity (%) : 26
Wind Speed (mph) : 10 Wind Direction : W
Barometric Pressure (in.Hg) : 29.85
Verify that microphone height is 4 feet, wind speed is less than 12 mpg and ambient temperature is between 30 F and 90 F: true checked by S.C.
Initial Sound Level Meter Calibration: true checked by S.C.
Exterior Ambient Noise Level dB(A): 39.8

Accelerating from Constant Speed
Curb (Right) Side
Accelerating from Constant Speed
Street (Left) Side
Run # Measured Noise Level dB(A) Run # Measured Noise Level dB(A)
1 71.8 1 73.8
2 72.9 2 74.2
3 69.8 3 73.0
4 72.8 4 74.7
5 72.3 5 72.9
Average of two highest actual noise levels = 72.9 dB(A) Average of two highest actual noise levels = 74.5 dB(A)