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IKARUS USA, INC. Pdf Download PDF Report

Exterior Noise Test

Accelerating from Constant Speed

Date : 1991-04-26
Personnel : S.M.
Temperature (°F) : 68 Humidity (%) : 43
Wind Speed (mph) : 10 Wind Direction : sw
Barometric Pressure (in.Hg) : 30.18
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 SM
Initial Sound Level Meter Calibration: false checked by SM
Exterior Ambient Noise Level dB(A): 41.2

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 75.9 1 79.1
2 78.7 2 79.5
3 77.5 3 79.0
4 4
5 5
Average of two highest actual noise levels = 78.1 dB(A) Average of two highest actual noise levels = 79.3 dB(A)