Kneel Van

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Exterior Noise Test

Accelerating from Constant Speed

Date : 2001-05-09
Personnel : S.C. & B.S.
Temperature (°F) : 75 Humidity (%) : 40
Wind Speed (mph) : 5 Wind Direction : NNE
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): 44.8

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 81.0 1 75.2
2 84.0 2 76.1
3 84.0 3 76.8
4 85.6 4 76.2
5 85.6 5 75.9
Average of two highest actual noise levels = 85.6 dB(A) Average of two highest actual noise levels = 76.5 dB(A)