. 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

Table 2.

Measurement parameters for air sensor performance (Penza, 2018).

Transducer	Sensitivity	Selectivity	Stability	Limit of Detection	Open Questions

Electrochemical	High	Variable	Improved	ppb	Interference, calibration, signal processing
Spectroscopic and NDIR	High	Variable	Low	ppm	Interference, calibration, signal processing
Photo-Ionization Detector	High	Low	Improved	ppb	Interference, calibration, signal processing
Optical Particulate Counter	High	Improved	Improved	μg/m³	Interference, calibration, signal processing
Metal Oxides	High	Variable	Low	ppb	Interference, calibration, signal processing
Pellistors	High	Low	Improved	ppm	Interference, calibration, signal processing