3000T TRANSIT TROLLEY TB-2142 CHASIS

SPECIALTY VEHICLES Pdf Download PDF Report

Interior Noise Test Data Form

Test Condition 1: 80 dB(A) Stationary White Noise

Date 1992-03-02
Personnel B.L.
Temperature (°F) 52
Humidity (%) 59
Wind Direction W
Wind Speed (MPH) 3
Barometric Pressure (in.Hg) 28.51
Initial Sound Level Meter Calibration checked by B.L.
Interior Ambient Noise Level dB(A) 35.9
Exterior Ambient Noise Level dB(A) 49.7
Microphone Height During Testing(in) 42
Measurement Location Measured Sound Level dB(A)
Driver's Seat 54.4
Front Passenger Seats 55.3
In Line with Front Speaker 56.5
In Line with Middle Speaker 57.7
In Line with Rear Speaker 56.7
Rear Passenger Seats 56.2
Final Sound Level Meter Calibration checked by B.L.
Comments
Wind screen on noise meter.