CENTURION GAS MODEL

CHAMPION MOTOR COACH, INC. Pdf Download PDF Report

Exterior Noise Test

Accelerating from Constant Speed

Date : 1992-05-22
Personnel : B.L., B.R. & R.H.
Temperature (°F) : 88 Humidity (%) : 29
Wind Speed (mph) : 5 Wind Direction : SW
Barometric Pressure (in.Hg) : 28.28
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: false checked by B.L.
Exterior Ambient Noise Level dB(A): 74.1

Accelerating from Constant Speed
Curb (Right) Side
Accelerating from Constant Speed
Street (Left) Side
Run # Measured Noise Level dB(A) Run # Measured Noise Level dB(A)
1 74.7 1 75.1
2 73.5 2 73.2
3 72.4 3 77.5
4 4 78.2
5 5
Average of two highest actual noise levels = 74.1 dB(A) Average of two highest actual noise levels = 77.9 dB(A)