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• Varela, M
• Aboy, M
• Miró-Martínez, P
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• Varela, M
• Aboy, M
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• Varela, M
• Aboy, M
• Miró-Martínez, P

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Sensors 2009, 9(10), 7648-7663; doi:10.3390/s91007648

Article

Description of a PortableWireless Device for High-Frequency Body Temperature Acquisition and Analysis

David Cuesta-Frau^1,* , Manuel Varela² , Mateo Aboy³  and Pau Miró-Martínez⁴

¹ Technological Institute of Informatics, Polytechnic University of Valencia, Alcoi Campus, Plaza Ferrándiz y Carbonell, 2, 03801, Alcoi, Spain ² Department of Internal Medicine, Mostoles Hospital, Madrid, Spain ³ Department of Electrical Engineering, Oregon Institute of Technology, Oregon, USA ⁴ Department of Statistics, Polytechnic University of Valencia, Alcoi Campus, Alcoi, Spain

* Author to whom correspondence should be addressed.

Received: 8 August 2009; in revised form: 10 September 2009 / Accepted: 18 September 2009 / Published: 28 September 2009

(This article belongs to the Section Physical Sensors)

Download PDF Full-Text [726 KB, uploaded 28 September 2009 15:51 CEST]

Abstract: We describe a device for dual channel body temperature monitoring. The device can operate as a real time monitor or as a data logger, and has Bluetooth capabilities to enable for wireless data download to the computer used for data analysis. The proposed device is capable of sampling temperature at a rate of 1 sample per minute with a resolution of 0.01 °C. The internal memory allows for stand-alone data logging of up to 10 days. The device has a battery life of 50 hours in continuous real-time mode. In addition to describing the proposed device in detail, we report the results of a statistical analysis conducted to assess its accuracy and reproducibility.

Keywords: body temperature; portable medical devices; wireless data transmission; approximate entropy

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