9201

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Exterior Noise Test

Accelerating from Standstill

Date : 1992-11-27
Personnel : B.R., & B.S.
Temperature (°F) : 38 Humidity (%) : 85
Wind Speed (mph) : 5 Wind Direction : NNW
Barometric Pressure (in.Hg) : 40.7
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 B.R.
Initial Sound Level Meter Calibration: true checked by B.R.
Exterior Ambient Noise Level dB(A): 40.7

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 73.2 1 71.9
2 72.7 2 72.1
3 72.5 3 73.0
4 72.5 4 72.1
5 72.4 5 71.9
Average of two highest actual noise levels = 73.0 dB(A) Average of two highest actual noise levels = 72.6 dB(A)