MPV

INDEPENDENT MOBILITY SYSTEMS, INC. Pdf Download PDF Report

Exterior Noise Test

Accelerating from Constant Speed

Date : 1994-03-17
Personnel : B.L., B.R. & S.C.
Temperature (°F) : 34 Humidity (%) : 65
Wind Speed (mph) : 8 Wind Direction : NW
Barometric Pressure (in.Hg) : 30.01
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 R.L.L.
Initial Sound Level Meter Calibration: false checked by R.L.L.
Exterior Ambient Noise Level dB(A): 45.3

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 77.5 1 78.5
2 77.8 2 79.8
3 78.7 3 79.9
4 79.4 4 80.4
5 78.9 5 80.0
Average of two highest actual noise levels = 79.2 dB(A) Average of two highest actual noise levels = 80.2 dB(A)