| Abstrakt: |
This work investigated the technical aspects of the construction of devices for measuring the moisture content of grain and products of the agro-industrial complex. The necessity of developing primary moisture measuring transducers has been substantiated. The dielcometric method for determining the moisture content, based on the dependence of the dielectric permittivity of a controlled material on its moisture content, was considered. The dependencies linking the electrophysical parameters of materials with moisture content and uninformative parameters of materials were examined. A structural diagram of a high-frequency (HF) moisture meter is presented, whose operation principle is based on the dielcometric method of measuring the moisture content of materials. A prototype of a grain moisture control device was developed, which comprises a primary measuring transducer in the form of a two-link system with two input parameters (output signals of the humidity sensor) and the active component of the output signal. The proposed HF moisture meter can be used to measure the moisture content of grain and grain products in industrial and laboratory conditions. [ABSTRACT FROM AUTHOR] |
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