Alberta Hail Project Aircraft Instrumentation

Intera/Alberta Research Council Research Aircraft (Cessna 441 Conquest) instrumentation list

Parameter Sensor Measuring Technique Range Accuracy Precision Sampling Rate Temperature Rosemount Platinum resistance -50 to +50 C 0.5 C 0.02 C 5 Hz Temperature Minco Platinum resistance -50 to +50 C 0.5 C 0.02 C 5 Hz Dew Point Cambridge Cooled mirror -50 to +50 C 1 C 0.02 C 5 Hz Total Pressure Rosemount Capacitance bridge 0 to 1080 mb 1.1 mb 0.3 mb 10 Hz Liquid water Johnson-Williams Hot wire 0 to 3 g m-3 20 % 0.002 g m-3 1 Hz Aerosol PMS ASASP Light scattering 0.1 to 3 um (15 channels) 0.025 um 10 Hz Cloud drops PMS FSSP Light scattering 0.5 to 45 um (15 channels) 0.5 um 10 Hz Cloud part. PMS 2D-C Shadow images 25 to 800 um 25 um 25 um varies Prec. part. PMS 2D-P Shadow images 200 to 6400 um 200 um 200 um varies NO/NOx Monitor Labs 8840 Chemiluminescence 0 to 10 ppm 0.001 ppm 0.001 ppm 1,10 Hz SO2 Meloy SA-285 E Flame photometric 0 to 1 ppm 0.001 ppm 0.001 ppm 1,10 Hz Airspeed Rosemount 1221F Differential pressure -69 to +69 mb 0.1 mb 0.03 mb 10 Hz Pitch Angle Litton LTN-76 Synchro -90 to +90 deg 0.5 deg 0.1 deg 10 Hz Roll Angle Litton-LTN-76 Synchro -90 to +90 deg 0.5 deg 0.1 deg 10 Hz Geom. Altitude Collins Radio altimeter 0 to 2000 ft 15 ft > 500 ft: 3.8 ft 1 Hz < 500 ft: 0.4 ft Heading Litton LTN-76 Synchro 0 to 360 deg 1 deg 0.1 deg 10 Hz Groundspeed Litton LTN-76 Inertial navigation 0 to 2000 kt 5 kt 1 kt 1 Hz 3D accel. Litton LTN-76 XYZ accelerometers -1 to +1 G 38, 52cm s-2 38, 52 cm s-2 10 Hz Position Litton LTN-76 Inertial navigation -90 to +90 deg Lat 0.05 deg 0.002 deg 1 Hz -180 to +180 deg Long 0.05 deg 0.002 deg 1 Hz

Other Equipment

Computer based data acquisition system and display monitors; 35 mm camera; video camera recorder; gas and aerosol sampling manifold; weather avoidance radar; and aerosol filter samplers