Kneel Van

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Exterior Noise Test

Accelerating from Standstill

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: true checked by S.C.
Exterior Ambient Noise Level dB(A): 43.5

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 71.2 1 66.1
2 68.8 2 66.2
3 68.0 3 66.3
4 68.1 4 66.2
5 68.8 5 66.3
Average of two highest actual noise levels = 70.0 dB(A) Average of two highest actual noise levels = 66.3 dB(A)