Measurement device for detecting material level and temperature
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United States of America Patent
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Oct 24, 2017
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app pub date -
Feb 12, 2014
filing date -
Nov 12, 2013
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Abstract
A measurement device for detecting a material level and a temperature has a cable, a level sensing module, a thermal sensing module, a processing module, and a power module. The measurement device detects difference of currents between an electrode of the cable and the earth, and calculates a material level of a material stored in a silo according to the RF admittance. The cable comprises a plurality of thermal sensing units for detecting a temperature of the material. The measurement device further calibrates a material capacitance of the material with the temperature for avoiding an error caused by an inaccurate parameter.
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