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Compact carbon dioxide analyser for airborne platforms (COCAP)

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Carbon dioxide sensor

COCAP contains a sensor prototype by SenseAir AB (Sweden) that measures the CO2 mole fraction in air. The sensor's span ranges from 0 to more than 5000 ppm CO2, but our current calibration scheme is focussed on 380 to 600 ppm. The sensor is protected from environmental disturbances like changing ambient temperature, sunlight and wind by a temperature-controlled enclosure.


COCAP measures ambient temperature, pressure and relative humidity with a Pt1000 thermometer, a piezoresitive pressure sensor and a capacitive humidity sensor, respectively.

GPS receiver

A Fastrax UP501 GPS receiver module provides geographic position, altitude and accurate timestamps. Each of COCAP's data points is therefore precisely referenced in space and time.

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