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Proceedings 2017, 1(4), 567;

DC Current Beat: Wireless and Non-Invasive DC Current Sensing Scheme

Advanced Wireless and Communication Research Center, The University of Electro-Communications, Tokyo, 182-8585, Japan
Presented at the Eurosensors 2017 Conference, Paris, France, 3–6 September 2017.
Author to whom correspondence should be addressed.
Published: 24 September 2017
(This article belongs to the Proceedings of Eurosensors 2017)
PDF [2019 KB, uploaded 24 September 2017]


This paper presents a wireless and Non-invasive DC Current (DCC) sensing scheme as an IoT sensors. A RF module transmits only ID codes to a receiver, and the ID transmissions are called as “DCC Beat”. The interval time of DCC Beats depend on the inductance of ferrite clamp which is non-invasively installed at the wire of the DC current to be measured, so that the interval time corresponds to DC Current. The ID data transmission range reaches up to 50 m with 1.2 mW operating power using a 2.4 GHz RF module. DC current from 0.2 to 4 A can be measured within error of 5.7%.
Keywords: IoT; DC current sensor; non-invasive; beat sensor IoT; DC current sensor; non-invasive; beat sensor
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Ishibashi, K.; Serizawa, M.; Takitoge, R.; Ishigaki, S.; Ishige, T. DC Current Beat: Wireless and Non-Invasive DC Current Sensing Scheme. Proceedings 2017, 1, 567.

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