Vicinity 30 Foot

Grande West Transportation Inc. Pdf Download PDF Report

Exterior Noise Test

Stationary

Date : 2016-05-16
Personnel : T.S., S.R. & M.R.
Temperature (°F) : 57 Humidity (%) : 71
Wind Speed (mph) : 5 Wind Direction : SSE
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: false checked by
Initial Sound Level Meter Calibration: true checked by
Exterior Ambient Noise Level dB(A): 40.6

Accessories and Air Conditioning ON
Throttle Position Engine RPM Curb (Right) Side dB(A) Street (Left) Side dB(A)
Measured Measured
Low Idle 750 65.5 65.8
High Idle 1100 66.8 65.4
Wide Open Throttle 2787 79.2 76.3

Accessories and Air Conditioning OFF
Throttle Position Engine RPM Curb (Right) Side dB(A) Street (Left) Side dB(A)
Measured Measured
Low Idle 750 65.8 63.3
High Idle 1100 66.4 64.7
Wide Open Throttle 2785 78.2 75.2