Senator HD Cutaway

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Exterior Noise Test

Accelerating from Constant Speed

Date : 2011-02-16
Personnel : C.S., B.L. & T.S.
Temperature (°F) : 40 Humidity (%) : 33
Wind Speed (mph) : 10 Wind Direction : S
Barometric Pressure (in.Hg) : 30.19
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.L.
Initial Sound Level Meter Calibration: true checked by B.L.
Exterior Ambient Noise Level dB(A): 40.5

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 65.9 1 65.7
2 65.6 2 66.4
3 65.4 3 64.9
4 65.1 4 65.5
5 65.0 5 65.3
Average of two highest actual noise levels = 65.8 dB(A) Average of two highest actual noise levels = 66.1 dB(A)