CENTURION GAS MODEL

CHAMPION MOTOR COACH, INC. Pdf Download PDF Report

Exterior Noise Test

Accelerating from Standstill

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: true checked by B.L.
Exterior Ambient Noise Level dB(A): 41.8

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 74.2 1 74.8
2 74.2 2 74.7
3 75.1 3 74.7
4 75.1 4
5 5
Average of two highest actual noise levels = 75.1 dB(A) Average of two highest actual noise levels = 74.8 dB(A)