ECG Series

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

Exterior Noise Test

Accelerating from Constant Speed

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): 37.8

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 71.4 1 70.3
2 72.0 2 70.8
3 71.0 3 71.2
4 71.5 4 71.1
5 71.4 5 71.3
Average of two highest actual noise levels = 71.8 dB(A) Average of two highest actual noise levels = 71.3 dB(A)