METRO

FLXIBLE Pdf Download PDF Report

Exterior Noise Test

Accelerating from Standstill

Date : 1994-06-21
Personnel : R.L. & R.H.
Temperature (°F) : 80 Humidity (%) : 78
Wind Speed (mph) : 9 Wind Direction : NNE
Barometric Pressure (in.Hg) : 29.89
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 R.L.
Initial Sound Level Meter Calibration: true checked by R.L.
Exterior Ambient Noise Level dB(A): 42.6

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 75.1 1 75.5
2 77.8 2 75.1
3 74.8 3 79.2
4 75.2 4 79.5
5 77.0 5 78.6
Average of two highest actual noise levels = 77.4 dB(A) Average of two highest actual noise levels = 79.4 dB(A)