Modeling Humidity and Temperature Effects on Electrochemical Gas Sensors at Low Concentrations

Francisco Souza, Jasper Fabius, Shaojie Zhuang, Jan Vonk, Burcu Celikkol, Santiago Gaitan

Research output: Chapter in Book/Report/Conference proceedingConference paperAcademicpeer-review

Abstract

In this study, we present a specific tailored model for NO2electrochemical sensors designed to improve their understanding and the calibration accuracy on low NO2concentration levels. We model transient effects, steady-state behaviors, and sensor exposure to target compounds, all while accounting for the influence of external factors such as humidity and temperature. The proposed model aims to compensate for environmental variations (temperature and humidity) to enable more precise estimation of NO2in ppb range with application to air quality monitoring. The model has been evaluated for measuring NO2in a urban areas with low concentration levels, showcasing its potential to significantly improve calibration accuracy in environmental monitoring applications.

Original languageEnglish
Title of host publicationI2MTC 2024 - Instrumentation and Measurement Technology Conference
Subtitle of host publicationInstrumentation and Measurement for Sustainable Future, Proceedings
PublisherIEEE
Number of pages6
ISBN (Electronic)9798350380903
ISBN (Print)9798350380910
DOIs
Publication statusPublished - 28 Jun 2024
Event2024 IEEE International Instrumentation and Measurement Technology Conference, I2MTC 2024 - Glasgow, United Kingdom
Duration: 20 May 202423 May 2024

Publication series

NameConference Record - IEEE Instrumentation and Measurement Technology Conference
ISSN (Print)1091-5281

Conference/symposium

Conference/symposium2024 IEEE International Instrumentation and Measurement Technology Conference, I2MTC 2024
Country/TerritoryUnited Kingdom
CityGlasgow
Period20/05/2423/05/24

Keywords

  • Air quality
  • Digital Twin
  • Electrochemical Sensors
  • Environmental Monitoring

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