ECG Series

ELKHART COACH, a division of FOREST RIVER, INC. Pdf Download PDF Report

Exterior Noise Test

Accelerating from Standstill

Date : 2011-12-14
Personnel : M.R., T.S. & B.L.
Temperature (°F) : 35 Humidity (%) : 74
Wind Speed (mph) : Wind Direction :
Barometric Pressure (in.Hg) : 30.38
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): 38.1

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 70.0 1 69.9
2 69.9 2 70.2
3 70.0 3 71.2
4 70.6 4 70.1
5 70.6 5 70.5
Average of two highest actual noise levels = 70.6 dB(A) Average of two highest actual noise levels = 70.9 dB(A)