BE40

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Exterior Noise Test

Accelerating from Constant Speed

Date : 2014-12-15
Personnel : T.S., T.G. & J.S.
Temperature (°F) : 42 Humidity (%) : 76
Wind Speed (mph) : Wind Direction : Calm
Barometric Pressure (in.Hg) : 30.08
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 T.S.
Initial Sound Level Meter Calibration: true checked by T.S.
Exterior Ambient Noise Level dB(A): 47.2

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 65.6 1 65.1
2 65.2 2 65.8
3 65.2 3 65.2
4 65.8 4 64.5
5 65.8 5 66.6
Average of two highest actual noise levels = 65.8 dB(A) Average of two highest actual noise levels = 66.2 dB(A)