SAF-T-LINER C2

THOMAS BUILT Pdf Download PDF Report

Exterior Noise Test

Accelerating from Standstill

Date : 2014-04-03
Personnel : T.S., S.R. & C.S.
Temperature (°F) : 53 Humidity (%) : 35
Wind Speed (mph) : 12 Wind Direction : N
Barometric Pressure (in.Hg) : 30.05
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 S.R.
Initial Sound Level Meter Calibration: true checked by S.R.
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 70.1 1 73.1
2 70.5 2 72.0
3 70.7 3 72.0
4 71.4 4 72.2
5 70.3 5 71.2
Average of two highest actual noise levels = 71.1 dB(A) Average of two highest actual noise levels = 72.7 dB(A)