M 2000

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Exterior Noise Test

Accelerating from Constant Speed

Date : 2001-04-26
Personnel : S.C., E.D. & B.S.
Temperature (°F) : 48 Humidity (%) : 40
Wind Speed (mph) : Calm Wind Direction : Calm
Barometric Pressure (in.Hg) : 30.3
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: false checked by S.C.
Exterior Ambient Noise Level dB(A): 54.1

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 75.3 1 79.1
2 75.4 2 77.7
3 75.3 3 79.6
4 75.5 4 79.4
5 75.5 5 77.7
Average of two highest actual noise levels = 75.5 dB(A) Average of two highest actual noise levels = 79.5 dB(A)