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Exterior Noise Test

Accelerating from Constant Speed

Date : 2013-04-23
Personnel : S.R., T.S. & J.S.
Temperature (°F) : 46 Humidity (%) : 68
Wind Speed (mph) : 4 Wind Direction : SE
Barometric Pressure (in.Hg) : 28.99
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.R.
Initial Sound Level Meter Calibration: true checked by S.R.
Exterior Ambient Noise Level dB(A): 43.7

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 74.0 1 73.4
2 73.9 2 73.6
3 73.6 3 74.1
4 73.6 4 74.1
5 73.9 5 73.1
Average of two highest actual noise levels = 74.0 dB(A) Average of two highest actual noise levels = 74.1 dB(A)