World Trans T24

Collins Bus Corp. d.b.a. World Trans Pdf Download PDF Report

Exterior Noise Test

Stationary

Date : 2016-09-16
Personnel : S.R., E.D. & C.S.
Temperature (°F) : 72 Humidity (%) : 75
Wind Speed (mph) : 6 Wind Direction : N
Barometric Pressure (in.Hg) : 30.0
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): 40.8

Accessories and Air Conditioning ON
Throttle Position Engine RPM Curb (Right) Side dB(A) Street (Left) Side dB(A)
Measured Measured
Low Idle 900 55.8 64.8
High Idle
Wide Open Throttle 4000 65.4 67.6

Accessories and Air Conditioning OFF
Throttle Position Engine RPM Curb (Right) Side dB(A) Street (Left) Side dB(A)
Measured Measured
Low Idle 900 42.3 43.4
High Idle
Wide Open Throttle 4000 65.0 66.2