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. Author manuscript; available in PMC: 2021 Jul 27.
Published in final edited form as: Atmos Environ X. 2019 Apr 13;2:100031. doi: 10.1016/j.aeaoa.2019.100031

Fig. 1.

Fig. 1.

Sensor performance relating to changes in temperature, RH, and drift. Example of a low-cost NO2 electrochemical sensor with an O3 filter. Test is displaying responses to changes in temperature, relative humidity, and drift over time (Ning, 2018).