Sentinel

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Exterior Noise Test

Stationary

Date : 1999-06-09
Personnel : B.L., B.C. and M.H.
Temperature (°F) : 84 Humidity (%) : 33
Wind Speed (mph) : 9 Wind Direction : NNE
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 B.L.
Initial Sound Level Meter Calibration: true checked by B.L.
Exterior Ambient Noise Level dB(A): 38.7

Accessories and Air Conditioning ON
Throttle Position Engine RPM Curb (Right) Side dB(A) Street (Left) Side dB(A)
Measured Measured
Low Idle 695 60.4 60.1
High Idle
Wide Open Throttle 2700 72.9 72.9

Accessories and Air Conditioning OFF
Throttle Position Engine RPM Curb (Right) Side dB(A) Street (Left) Side dB(A)
Measured Measured
Low Idle 700 58.4 59.9
High Idle
Wide Open Throttle 2703 72.6 72.5