SENTRY 1350-4565

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Exterior Noise Test

Accelerating from Constant Speed

Date : 1996-10-18
Personnel : S.C.
Temperature (°F) : 59 Humidity (%) : 73
Wind Speed (mph) : 7 Wind Direction : SE
Barometric Pressure (in.Hg) : 29.8
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.C.
Initial Sound Level Meter Calibration: false checked by S.C.
Exterior Ambient Noise Level dB(A): 57.1

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 76.1 1 77.9
2 76.9 2 78.8
3 76.9 3 78.8
4 77.3 4 78.6
5 76.3 5 78.6
Average of two highest actual noise levels = 77.1 dB(A) Average of two highest actual noise levels = 78.8 dB(A)