I would think you would want a "Gage" pressure sensor (pressure relative to ambient atmospheric) and not the Absolute pressure sensor you pointed to. As you gain altitude and ambient pressure drops you may need to release pressure to get the same effect.
Something more like this: http://www.ebay.com/itm/Nbpdann150Pgunv-Pressure-Sensor-Axial-Barbed-150Psi-Gage-/131040179238