A novel sweat rate and conductivity sensor patch made with low-cost fabrication techniques

Sweat sensor patches offer new opportunities for unobtrusive monitoring of an athlete's physical status. This paper presents a novel sweat rate and sweat conductivity patch that is easy to prototype and can be made with common low-cost production techniques: laser cutting and standard printed c...

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Bibliographic Details
Main Authors: Steijlen, A.S.M., Bastemeijer, J., Jansen, K.M.B., French, P.J., Bossche, A.
Format: Conference Proceeding
Language:English
Subjects:
Conductivity
Conductivity measurement
Conductivity sensor
Electrodes
Filling
Fluids
Impedance
Reservoirs
Sweat patch
Sweat rate sensor
Online Access:Request full text
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Summary:Sweat sensor patches offer new opportunities for unobtrusive monitoring of an athlete's physical status. This paper presents a novel sweat rate and sweat conductivity patch that is easy to prototype and can be made with common low-cost production techniques: laser cutting and standard printed circuit board (PCB) manufacturing. The device consists of a patch made from hydrophilic PET foil, a double-sided adhesive and a thin PCB with gold electrodes. Two electrodes, which are continuously in contact with the inflowing fluid, measure the sweat conductivity and a separate system with interdigitated electrodes measures the filling process of the reservoirs. Impedance measurement results of both systems demonstrate the working of the concept.
ISSN:2168-9229
DOI:10.1109/SENSORS47125.2020.9278850