X3-45 Commuter

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Exterior Noise Test

Stationary

Date : 2012-08-24
Personnel : T.S., S.R. & T.M.
Temperature (°F) : 79 Humidity (%) : 54
Wind Speed (mph) : 0 Wind Direction : Calm
Barometric Pressure (in.Hg) : 30.2
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): 42.2

Accessories and Air Conditioning ON
Throttle Position Engine RPM Curb (Right) Side dB(A) Street (Left) Side dB(A)
Measured Measured
Low Idle 600 63.6 61.8
High Idle 1000 69.4 67.7
Wide Open Throttle 2200 75.8 75.7

Accessories and Air Conditioning OFF
Throttle Position Engine RPM Curb (Right) Side dB(A) Street (Left) Side dB(A)
Measured Measured
Low Idle 600 62.3 61.0
High Idle 1000 65.9 65.7
Wide Open Throttle 2200 75.2 75.3