3000T TRANSIT TROLLEY TB-2142 CHASIS

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Interior Noise Test Data Form

Test Condition 2: 0 to 35 mph Acceleration Test

Date 1992-05-18
Personnel B.L.
Temperature (°F) 73
Humidity (%) 66
Wind Direction NE
Wind Speed (MPH) 8
Barometric Pressure (in.Hg) 28.2
Initial Sound Level Meter Calibration checked by B.L.
Interior Ambient Noise Level dB(A) 34.0
Exterior Ambient Noise Level dB(A) 40.3
Microphone Height During Testing(in) 45
Measurement Location Measured Sound Level dB(A)
Driver's Seat 93.7
Front Passenger Seats 91.6
Middle Passenger Seats 89.0
Rear Passenger Seats 88.3
Final Sound Level Meter Calibration checked by B.L.
Comments
All readings taken in center of aisle.