Startrans E-Lo Low Floor

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Exterior Noise Test

Accelerating from Constant Speed

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 71.8 1 72.1
2 68.8 2 70.1
3 68.2 3 68.2
4 71.2 4 68.3
5 68.4 5 68.0
Average of two highest actual noise levels = 71.5 dB(A) Average of two highest actual noise levels = 71.1 dB(A)