Conclusions
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1.
A change in dielectric losses produces an apparant change in the dielectric permittivity, which may lead to a significant error in the dielectrometric determination of moisture content.
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2.
Knowledge of the loss vs frequency characteristic is helpful in the selection of the measuring circuit and the operating frequency.
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3.
The formulas given here make it possible to estimate the measurement error introduced by the uncompensated loss component.
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Literature cited
G. I. Skanavi, Physics of Dielectrics (in Weak Fields) [in Russian], GITTL, Moscow-Leningrad (1949).
I. Yu. Klugman, Metrological Basis of the Dielectrometric Method of Measuring the Moisture Content of Naphtha [in Russian], author's Cand. Dissert. KPTI, Kuibyshev (1966).
B. A. Dobrokhotov (editor), Measurements in Electronics, Vol. 1 (Handbook) [in Russian], “Énergiya,” Moscow-Leningrad (1965).
Additional information
Translated from Izmeritel'naya Tekhnika, No. 5, pp. 72–73, May, 1970.
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Klugman, I.Y., Kovylov, N.B. Equivalent circuit of the dielectric in dielectric-type hygrometers. Meas Tech 13, 742–744 (1970). https://doi.org/10.1007/BF01409133
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DOI: https://doi.org/10.1007/BF01409133