| 摘要 |
It is an object of the present invention to provide means for measuring electric characteristics of dried objects having different shapes and characters, and means which, by measuring an impedance and an electrostatic capacity, non-destructively and high accurately measures a moisture content of the dried objects of different shapes and characters, using an appropriate regression manner. In detail, this invention is to provide a method of non-destructively measuring a moisture content of dried objects, comprising the steps of: introducing dried objects having different characters and shapes into a predetermined container; inserting four electrode terminals into the container; measuring electrical characteristics between two electrodes based on the dried objects and inputting measurement results into a high impedance voltmeter; and non-destructively measuring the moisture content of the dried objects. Further, an apparatus of the present invention comprises: a container having a predetermined capacity for accommodating the dried objects having different characters and shapes; four electrode terminals inserted into the container; an AC signal having a predetermined voltage to be applied to the electrode terminals; and a high impedance voltmeter for measuring electrical characteristics between two electrodes based on the dried objects and receiving measurement results.
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