UBC Faculty Research and Publications

Calibration, pressure and temperature sensitivity of Vaisala GMM 220A CO2 sensors Christen, Andreas; Nesic, Zoran


Objective: Calibrate and test performance of four Vaisala CARBOCAP® Carbon Dioxide Module GMM 220A sensors that measure CO2 mixing ratios. The following characteristics were tested: sensor individual zero offset and span (Section 2), temperature sensitivity (Section 3), pressure sensitivity (Section 4), sensor noise (Section 5) and sensor drift over 24 hours (Section 6). The sensors tested were GMM 220 #59, #60, #66, and #67. All sensors are used in the soil respiration set-up of APBI 244 / GEOB 204 at UBC.

Item Media

Item Citations and Data


Attribution-NonCommercial-NoDerivs 2.5 Canada