416.03

IKARUS USA, INC. Pdf Download PDF Report

Exterior Noise Test

Accelerating from Standstill

Date : 1992-08-03
Personnel : B.L., B.R. & R.H.
Temperature (°F) : 74 Humidity (%) : 53
Wind Speed (mph) : Wind Direction : CALM
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 B.L.
Initial Sound Level Meter Calibration: true checked by B.L.
Exterior Ambient Noise Level dB(A): 48.2

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 77.2 1 79.4
2 76.2 2 79.1
3 76.5 3
4 4
5 5
Average of two highest actual noise levels = 76.9 dB(A) Average of two highest actual noise levels = 79.3 dB(A)