BE40

PROTERRA, INC. Pdf Download PDF Report

Exterior Noise Test

Stationary

Date : 2014-12-15
Personnel : T.S., T.G. & J.S.
Temperature (°F) : 42 Humidity (%) : 76
Wind Speed (mph) : Wind Direction : Calm
Barometric Pressure (in.Hg) : 30.08
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
Initial Sound Level Meter Calibration: true checked by
Exterior Ambient Noise Level dB(A):

Accessories and Air Conditioning ON
Throttle Position Engine RPM Curb (Right) Side dB(A) Street (Left) Side dB(A)
Measured Measured
Low Idle 44.2 42.6
High Idle
Wide Open Throttle

Accessories and Air Conditioning OFF
Throttle Position Engine RPM Curb (Right) Side dB(A) Street (Left) Side dB(A)
Measured Measured
Low Idle 36.1 37.8
High Idle
Wide Open Throttle