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Open AccessArticle

A Sensor for the Measurement of the Moisture of Undisturbed Soil Samples

Faculty of Technical Sciences, University of Novi Sad, Trg Dositeja Obradovića 6, 21000 Novi Sad, Serbia
Author to whom correspondence should be addressed.
Sensors 2013, 13(2), 1692-1705;
Received: 25 November 2012 / Revised: 10 January 2013 / Accepted: 15 January 2013 / Published: 29 January 2013
(This article belongs to the Special Issue Sensor-Based Technologies and Processes in Agriculture and Forestry)
This paper presents a very accurate sensor for the measurement of the moisture of undisturbed soil samples. The sensor relies on accurate estimation of the permittivity which is performed independently of the soil type, and a subsequent calibration. The sensor is designed as an upgrade of the conventional soil sampling equipment used in agriculture—the Kopecky cylinder. The detailed description of the device is given, and the method for determining soil moisture is explained in detail. Soil moisture of unknown test samples was measured with an absolute error below 0.0057 g/g, which is only 2.24% of the full scale output, illustrating the high accuracy of the sensor. View Full-Text
Keywords: soil moisture sensor; sensor modeling; permittivity measurement soil moisture sensor; sensor modeling; permittivity measurement
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MDPI and ACS Style

Kitić, G.; Crnojević-Bengin, V. A Sensor for the Measurement of the Moisture of Undisturbed Soil Samples. Sensors 2013, 13, 1692-1705.

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