Startrans E-Lo Low Floor

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Exterior Noise Test

Accelerating from Standstill

Date : 2010-05-18
Personnel : M.R., T.S. & B.L.
Temperature (°F) : 51 Humidity (%) : 89
Wind Speed (mph) : 7 Wind Direction : ENE
Barometric Pressure (in.Hg) : 30.0
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): 41.5

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 67.5 1 68.9
2 67.2 2 68.2
3 68.6 3 70.4
4 70.4 4 68.8
5 70.2 5 68.2
Average of two highest actual noise levels = 70.3 dB(A) Average of two highest actual noise levels = 69.7 dB(A)