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A novel, low-cost, portable PID sensor for detection of VOC

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Agbroko, Samuel O. and Covington, James A. (2017) A novel, low-cost, portable PID sensor for detection of VOC. In: Eurosensors 2017, Paris, France, 3-6 Sep 2017. Published in: Proceedings, 1 (4). ISSN 2504-3900. doi:10.3390/proceedings1040482

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Official URL: http://doi.org/10.3390/proceedings1040482

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Abstract

A low cost portable photoionization (PID) sensor was successfully designed and manufactured. Unlike existing commercial PID sensors, our device provides two outputs, one associated with the total chemical components and a second that provides some level of compositional information. We believe that this makes this sensor system more useful than a standard PID, with a similar, if not lower, cost point. Our PID sensor was tested with gas concentrations down to 2 ppm isobutylene. These results indicate that the limit of detection will be well below 1 ppm. Further detection tests were carried out with ethanol, acetone and isobutylene, which showed similar sensitivities. Compositional measurements were also undertaken and the results presented shows our sensor can discriminate successfully between low concentration isobutylene and 2-pentanone.

Item Type: Conference Item (Paper)
Subjects: T Technology > TD Environmental technology. Sanitary engineering
T Technology > TP Chemical technology
Divisions: Faculty of Science, Engineering and Medicine > Engineering > Engineering
SWORD Depositor: Library Publications Router
Library of Congress Subject Headings (LCSH): Volatile organic compounds -- Environmental aspects, Gas detectors -- Industrial applications, Photoionization of gases
Journal or Publication Title: Proceedings
Publisher: MDPI AG
ISSN: 2504-3900
Official Date: 7 August 2017
Dates:
DateEvent
7 August 2017Published
2 June 2017Accepted
Volume: 1
Number: 4
Article Number: 482
DOI: 10.3390/proceedings1040482
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access
Conference Paper Type: Paper
Title of Event: Eurosensors 2017
Type of Event: Conference
Location of Event: Paris, France
Date(s) of Event: 3-6 Sep 2017

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