<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>This paper presents a novel microwave cavity sensor application for the detection of HEPA filter particulate loading. The sensor resonates at 3.435GHz and 8.570GHz when empty, where the TM010 and TM020 modes dominate respectively. Experimental results show that the resonant frequency of the sensor shifts significantly when filters of different particulate loadings are presented to it. This is a significant finding, and means that the sensor could present an effective solution for determining the loading of periodic use HEPA filters (e.g. those used in personal respirators), which are often disposed of unnecessarily.</p>
</abstract>

This paper presents a novel microwave cavity sensor application for the detection of HEPA filter particulate loading. The sensor resonates at 3.435GHz and 8.570GHz when empty, where the TM010 and TM020 modes dominate respectively. Experimental results show that the resonant frequency of the sensor shifts significantly when filters of different particulate loadings are presented to it. This is a significant finding, and means that the sensor could present an effective solution for determining the loading of periodic use HEPA filters (e.g. those used in personal respirators), which are often disposed of unnecessarily.

Hepa Filter Material Load Detection Using a Microwave Cavity Sensor

International Journal on Smart Sensing and Intelligent Systems

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

{"article-title":"Hepa Filter Material Load Detection Using a Microwave Cavity Sensor"}

This paper presents a novel microwave cavity sensor application for the detection of HEPA filter particulate loading. The sensor resonates at 3.435GHz and...

Hepa Filter Material Load Detection Using a Microwave Cavity Sensor

Published Online: Dec 13, 2017

Page range: 322 - 337

DOI: https://doi.org/10.21307/ijssis-2017-395

Keywords
HEPA filter, filter load, filter ageing, filter sensor, microwave cavity, microwave sensor

© 2010 A. Mason et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Hepa Filter Material Load Detection Using a Microwave Cavity Sensor

Published Online: Dec 13, 2017

Page range: 322 - 337

DOI: https://doi.org/10.21307/ijssis-2017-395

KeywordsHEPA filter, filter load, filter ageing, filter sensor, microwave cavity, microwave sensor

© 2010 A. Mason et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
HEPA filter, filter load, filter ageing, filter sensor, microwave cavity, microwave sensor