TC40102N

NOVA BUS

Exterior Noise Test

Stationary

Date : 1995-06-21
Personnel : B.L., S.C. and B.S.
Temperature (°F) : 83 Humidity (%) : 62
Wind Speed (mph) : 3 Wind Direction : sw
Barometric Pressure (in.Hg) : 30.07
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 BL
Initial Sound Level Meter Calibration: true checked by B.L.
Exterior Ambient Noise Level dB(A): 40.1

Accessories and Air Conditioning ON
Throttle Position Engine RPM Curb (Right) Side dB(A) Street (Left) Side dB(A)
Measured Measured
Low Idle 700 63.7 63.5
High Idle 1000 67.5 66.6
Wide Open Throttle 2198 75.4 73.5

Accessories and Air Conditioning OFF
Throttle Position Engine RPM Curb (Right) Side dB(A) Street (Left) Side dB(A)
Measured Measured
Low Idle 700 63.9 63.7
High Idle 999 66.8 67.0
Wide Open Throttle 2210 73.2 73.6