ULTRA LF

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Exterior Noise Test

Accelerating from Standstill

Date : 2006-04-12
Personnel : B.S., T.S. & S.C.
Temperature (°F) : 61 Humidity (%) : 41
Wind Speed (mph) : 7 Wind Direction : SSW
Barometric Pressure (in.Hg) : 30.24
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): 40.1

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 71.3
2 72.8 2 71.0
3 71.3 3 71.9
4 72.6 4 71.7
5 72.4 5 71.9
Average of two highest actual noise levels = 72.7 dB(A) Average of two highest actual noise levels = 71.9 dB(A)