Monitoring system for ISFET and glass electrode behavior comparison

Luighi A.Viton Zorrilla; Jinmi G.Lezama Calvo

doi:10.1109/INTERCON.2017.8079707

Monitoring system for ISFET and glass electrode behavior comparison

Luighi A.Viton Zorrilla, Jinmi G.Lezama Calvo

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

2 Scopus citations

Abstract

Evaluating sensor characteristics is a critical task to choose the device with better performance for a specific application. In case of environmental monitoring systems, being low power design a big challenge, reducing activation periods is a recurrent technique to reduce power so response time of sensors should be evaluated to accomplish this goal. In this article, a hardware-software monitoring system is proposed to evaluate the response time of two pH sensors based on different technologies to compare and verify theoretical behavior and also to test the changes produced when other factors such as temperature or simultaneous measurements occur during the process. The sensors employed were a glass electrode from Atlas Scientific and an ISFET from WINSENSE in addition to a NTC temperature sensor. The response time was measured from readout circuit activation and probed in two different scenarios when both are in the same or in different containers. Results show that ISFET has an impressive response time, less than 3s, while the other one has almost 30s. This confirms the behavior exposed by the theory and also presents the ISFET as the better choice for low power sensor systems.

Original language	English
Title of host publication	Proceedings of the 2017 IEEE 24th International Congress on Electronics, Electrical Engineering and Computing, INTERCON 2017
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781509063628
DOIs	https://doi.org/10.1109/INTERCON.2017.8079707
State	Published - 20 Oct 2017
Externally published	Yes
Event	24th IEEE International Congress on Electronics, Electrical Engineering and Computing, INTERCON 2017 - Cusco, Peru Duration: 15 Aug 2017 → 18 Aug 2017

Publication series

Name	Proceedings of the 2017 IEEE 24th International Congress on Electronics, Electrical Engineering and Computing, INTERCON 2017

Conference

Conference	24th IEEE International Congress on Electronics, Electrical Engineering and Computing, INTERCON 2017
Country/Territory	Peru
City	Cusco
Period	15/08/17 → 18/08/17

Bibliographical note

Publisher Copyright:
© 2017 IEEE.

Keywords

Glass electrode
ISFET
embedded system
pH
response time

Access to Document

10.1109/INTERCON.2017.8079707

Cite this

Zorrilla, L. A. V., & Calvo, J. G. L. (2017). Monitoring system for ISFET and glass electrode behavior comparison. In Proceedings of the 2017 IEEE 24th International Congress on Electronics, Electrical Engineering and Computing, INTERCON 2017 Article 8079707 (Proceedings of the 2017 IEEE 24th International Congress on Electronics, Electrical Engineering and Computing, INTERCON 2017). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/INTERCON.2017.8079707

Zorrilla, Luighi A.Viton ; Calvo, Jinmi G.Lezama. / Monitoring system for ISFET and glass electrode behavior comparison. Proceedings of the 2017 IEEE 24th International Congress on Electronics, Electrical Engineering and Computing, INTERCON 2017. Institute of Electrical and Electronics Engineers Inc., 2017. (Proceedings of the 2017 IEEE 24th International Congress on Electronics, Electrical Engineering and Computing, INTERCON 2017).

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abstract = "Evaluating sensor characteristics is a critical task to choose the device with better performance for a specific application. In case of environmental monitoring systems, being low power design a big challenge, reducing activation periods is a recurrent technique to reduce power so response time of sensors should be evaluated to accomplish this goal. In this article, a hardware-software monitoring system is proposed to evaluate the response time of two pH sensors based on different technologies to compare and verify theoretical behavior and also to test the changes produced when other factors such as temperature or simultaneous measurements occur during the process. The sensors employed were a glass electrode from Atlas Scientific and an ISFET from WINSENSE in addition to a NTC temperature sensor. The response time was measured from readout circuit activation and probed in two different scenarios when both are in the same or in different containers. Results show that ISFET has an impressive response time, less than 3s, while the other one has almost 30s. This confirms the behavior exposed by the theory and also presents the ISFET as the better choice for low power sensor systems.",

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Zorrilla, LAV & Calvo, JGL 2017, Monitoring system for ISFET and glass electrode behavior comparison. in Proceedings of the 2017 IEEE 24th International Congress on Electronics, Electrical Engineering and Computing, INTERCON 2017., 8079707, Proceedings of the 2017 IEEE 24th International Congress on Electronics, Electrical Engineering and Computing, INTERCON 2017, Institute of Electrical and Electronics Engineers Inc., 24th IEEE International Congress on Electronics, Electrical Engineering and Computing, INTERCON 2017, Cusco, Peru, 15/08/17. https://doi.org/10.1109/INTERCON.2017.8079707

Monitoring system for ISFET and glass electrode behavior comparison. / Zorrilla, Luighi A.Viton; Calvo, Jinmi G.Lezama.
Proceedings of the 2017 IEEE 24th International Congress on Electronics, Electrical Engineering and Computing, INTERCON 2017. Institute of Electrical and Electronics Engineers Inc., 2017. 8079707 (Proceedings of the 2017 IEEE 24th International Congress on Electronics, Electrical Engineering and Computing, INTERCON 2017).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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Zorrilla LAV, Calvo JGL. Monitoring system for ISFET and glass electrode behavior comparison. In Proceedings of the 2017 IEEE 24th International Congress on Electronics, Electrical Engineering and Computing, INTERCON 2017. Institute of Electrical and Electronics Engineers Inc. 2017. 8079707. (Proceedings of the 2017 IEEE 24th International Congress on Electronics, Electrical Engineering and Computing, INTERCON 2017). doi: 10.1109/INTERCON.2017.8079707

Monitoring system for ISFET and glass electrode behavior comparison

Abstract

Publication series

Conference

Bibliographical note

Keywords

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Cite this