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In this paper, the method to measure moisture content of oil-free pressboard with single frequency experimental method is studied and the paper focuses on the implementation of experimental studies based on dielectrometry. Accurately monitoring and controlling of moisture can be implemented by the measurement of the permittivity of pressboard. A capacitive sensor is used to monitor the dielectric...
In this paper, a capacitive sensor is used to monitor the dielectric response of the pressboard and to calculate the moisture content in the pressboard by using calibrated expressions. The structure of the capacitive sensor and experiment system are introduced. The kinetics of the drying process is discussed. Models of moisture content diffusion and application of the drying kinetics of pressboard...
A fringing field capacitive sensor is described for measuring the moisture content (MC) and temperature of agricultural commodities. Sensor performance was characterized by mounting the device on handheld probes and in acrylic canisters to determine the dielectric constant and MC of wheat and corn. The handheld probes demonstrated a promising capability to measure the MC of grain in hoppers, truck...
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