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Seven-Rod Dielectric Sensor for Determination of Soil Moisture in Small Volumes

1
Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, 20-290 Lublin, Poland
2
Institute of Electronic Systems, Warsaw University of Technology, Nowowiejska 15/19, 00-665 Warsaw, Poland
*
Author to whom correspondence should be addressed.
Presented at the 7th International Symposium on Sensor Science, Napoli, Italy, 9–11 May 2019.
Proceedings 2019, 15(1), 49; https://doi.org/10.3390/proceedings2019015049
Published: 22 March 2020
(This article belongs to the Proceedings of 7th International Symposium on Sensor Science)
The paper presents the performance of a seven-rod dielectric probe for determination of soil dielectric permittivity using FEM simulations as well as FDR and TDR measurements. The volume of the sensitivity zone of the tested probe was assessed basing on the simulations and measurement in liquids. The probe was also tested in two soils, sandy loam and silt loam. The obtained results suggested that the seven-rod probe can be used to accurately measure the dielectric permittivity spectrum in a small sample volume of about 8 cm3 in a frequency range from 20 MHz to 200 MHz.
Keywords: dielectric spectroscopy; TDR; FDR dielectric spectroscopy; TDR; FDR
MDPI and ACS Style

Szerement, J.; Woszczyk, A.; Szypłowska, A.; Kafarski, M.; Lewandowski, A.; Wilczek, A.; Skierucha, W. Seven-Rod Dielectric Sensor for Determination of Soil Moisture in Small Volumes. Proceedings 2019, 15, 49.

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