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Using Electrical Impedance Spectroscopy (EIS) the SDG’s measurement permits separation of the effects of density and moisture content on the response of the soil to electromagnetic probing. The density or compaction level is measured by the response of the SDG’s electrical sensing field to changes in electrical impedance of the material matrix. Since the dielectric constant of […]
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Using Electrical Impedance Spectroscopy (EIS) the SDG’s measurement permits separation of the effects of density and moisture content on the response of the soil to electromagnetic probing. The density or compaction level is measured by the response of the SDG’s electrical sensing field to changes in electrical impedance of the material matrix. Since the dielectric constant of air is much lower than that of the other soil constituents, as density/compaction increases, the combined dielectric constant increases because the percentage of air in the soil matrix decreases. The SDG performs a calculation on the measurement data that enables the device to report the soil’s density and moisture content.
TransTech’s Soil Density Gauge (SDG) utilizes state of the art technology to get accurate soil density readings.
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