Ford F550

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Interior Noise Test Data Form

Test Condition 2: 0 to 35 mph Acceleration Test

Date 2010-07-23
Personnel B.G., T.S., B.L. & S.C.
Temperature (°F) 74
Humidity (%) 80
Wind Direction SSW
Wind Speed (MPH) 1
Barometric Pressure (in.Hg) 30.0
Initial Sound Level Meter Calibration checked by S.C.
Interior Ambient Noise Level dB(A) 34.0
Exterior Ambient Noise Level dB(A) 45.0
Microphone Height During Testing(in) 48
Measurement Location Measured Sound Level dB(A)
Driver's Seat 72.0
Front Passenger Seats 68.7
Middle Passenger Seats 68.9
Rear Passenger Seats 69.4
Final Sound Level Meter Calibration checked by B.L.
<p>All readings taken in the center aisle.</p>