ARTICULATE

NEOPLAN USA CORPORATION Pdf Download PDF Report

Exterior Noise Test

Accelerating from Standstill

Date : 1993-01-20
Personnel : B.L., S.C. & R.H.
Temperature (°F) : 38 Humidity (%) : 80
Wind Speed (mph) : 2 Wind Direction : W
Barometric Pressure (in.Hg) : 30.75
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): 40.4

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 76.3 1 75.2
2 76.7 2 74.3
3 76.3 3 74.2
4 75.6 4 74.2
5 75.1 5 74.0
Average of two highest actual noise levels = 76.5 dB(A) Average of two highest actual noise levels = 74.8 dB(A)