Instrument Exhaust Gas Dump Pressure

Short Name or Variable Name

Measurements Provided: Absolute pressure of exhaust manifold

Long rigid tubes 5 cm dia are installed on left and right sides of the fuselage cabin. These tubes have collection fittings at several locations where air sample instruments can vent their exhaust. The tubes vent to the belly of the aircraft and have a skarf tube cut that provides a pressure reduction. Pressure sensors are located near the vent locations.

Measurement Characteristics: 

  • Overall estimate of uncertainty: <1% fs
  • Response time: 1 s
Calibration Methods

Pressure sensors have factory calibrations and are checked against RAF standards.

Lead Contact
RAF Tech team