Design and development of a low cost, non-contact infrared thermometer with range compensation

Goh, Nicholas Wei-Jie, Poh, Jun-Jie, Yeo, Joshua Yi, Aw, Benjamin Jun-Jie, Lai, Szu Cheng, Cheng, Jayce Jian Wei, Yan, Christina Yuan Ling, and Gan, Samuel (2021) Design and development of a low cost, non-contact infrared thermometer with range compensation. Sensors, 21 (11). 3817.

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DOI: 10.3390/s21113817

View at Publisher Website: https://doi.org/10.3390/s21113817

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Abstract

Fever is a common symptom of many infections, e.g., in the ongoing COVID-19 pandemic, keeping monitoring devices such as thermometers in constant demand. Recent technological advancements have made infrared (IR) thermometers the choice for contactless screening of multiple individuals. Yet, even so, the measurement accuracy of such thermometers is affected by many factors including the distance from the volunteers’ forehead, impurities (such as sweat), and the location measured on the volunteers’ forehead. To overcome these factors, we describe the assembly of an Arduino-based digital IR thermometer with distance correction using the MLX90614 IR thermometer and HC-SR04 ultrasonic sensors. Coupled with some analysis of these factors, we also found ways to programme compensation methods for the final assembled digital IR thermometer to provide more accurate readings and measurements.


Item ID:	68932
Item Type:	Article (Research - C1)
ISSN:	1424-8220
Keywords:	infrared; Arduino; nano; contactless thermometer; HC-SR04; MLX90614
Copyright Information:	Copyright: © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Funders:	Agency for Science Technology and Research (A*STAR)
Date Deposited:	12 Aug 2021 00:19
FoR Codes:	42 HEALTH SCIENCES > 4299 Other health sciences > 429999 Other health sciences not elsewhere classified @ 20% 40 ENGINEERING > 4003 Biomedical engineering > 400308 Medical devices @ 30% 40 ENGINEERING > 4009 Electronics, sensors and digital hardware > 400999 Electronics, sensors and digital hardware not elsewhere classified @ 50%
SEO Codes:	20 HEALTH > 2004 Public health (excl. specific population health) > 200499 Public health (excl. specific population health) not elsewhere classified @ 40% 20 HEALTH > 2004 Public health (excl. specific population health) > 200404 Disease distribution and transmission (incl. surveillance and response) @ 30% 28 EXPANDING KNOWLEDGE > 2801 Expanding knowledge > 280110 Expanding knowledge in engineering @ 30%
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