ULTRA LF

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Exterior Noise Test

Accelerating from Constant Speed

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: false checked by S.C.
Exterior Ambient Noise Level dB(A): 41.0

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 70.8 1 70.9
2 70.6 2 70.3
3 70.4 3 70.7
4 70.8 4 70.7
5 70.6 5 70.8
Average of two highest actual noise levels = 70.8 dB(A) Average of two highest actual noise levels = 70.9 dB(A)