ENVIRO 500

ALEXANDER DENNIS INC. Pdf Download PDF Report

Interior Noise Test Data Form

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

Date 2005-02-15
Personnel T.S. and S.C.
Temperature (°F) 47
Humidity (%) 55
Wind Direction calm
Wind Speed (MPH) 0
Barometric Pressure (in.Hg) 30.12
Initial Sound Level Meter Calibration checked by S.C.
Interior Ambient Noise Level dB(A) 34.0
Exterior Ambient Noise Level dB(A) 43.3
Microphone Height During Testing(in) 48
Measurement Location Measured Sound Level dB(A)
Driver's Seat 44.7
Front Passenger Seats 45.5
In Line with Front Speaker 45.6
In Line with Middle Speaker 45.1
In Line with Rear Speaker 43.7
Rear Passenger Seats 43.5
Final Sound Level Meter Calibration checked by S.C.
Comments
All readings taken in the center aisle.