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Microwave moisture sensor for rapid and nondestructive grading of peanuts

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2 Author(s)
Trabelsi, S. ; U. S. Dept. of Agric., Agric. Res. Service, Athens, GA, USA ; Nelson, S.O.

A low-cost microwave moisture sensor operating at a single frequency for instantaneous and nondestructive determination of moisture content in peanut kernels from microwave dielectric measurements on peanut pods was developed and tested. The sensor operates at a frequency of 5.8 GHz and uses the principle of free-space transmission measurement of the dielectric properties. Moisture content is determined independent of bulk density with a permittivity-based algorithm.

Published in:

IEEE SoutheastCon 2010 (SoutheastCon), Proceedings of the

Date of Conference:

18-21 March 2010