AH-28 TROLLEY

CHANCE COACH, INC. Pdf Download PDF Report

Interior Noise Test Data Form

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

Date 1993-02-03
Personnel B.R. and J.P.
Temperature (°F) 44
Humidity (%) 70
Wind Direction wnw
Wind Speed (MPH) 6
Barometric Pressure (in.Hg) 30.1
Initial Sound Level Meter Calibration checked by BR
Interior Ambient Noise Level dB(A) 36.5
Exterior Ambient Noise Level dB(A) 50.7
Microphone Height During Testing(in) 45
Measurement Location Measured Sound Level dB(A)
Driver's Seat 55.1
Front Passenger Seats 54.9
In Line with Front Speaker 56.1
In Line with Middle Speaker 56.3
In Line with Rear Speaker 55.3
Rear Passenger Seats 53.3
Final Sound Level Meter Calibration checked by BR
Comments
All readings taken from the center aisle.