Device for the measurement of electrical properties of fluids and method for measuring said electrical properties
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United States of America Patent
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Mar 4, 2014
Grant Date -
Jul 19, 2012
app pub date -
Jul 20, 2010
filing date -
Jul 21, 2009
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Abstract
Device (2) for measuring electric parameters of a fluid (F), comprising: two measurement circuits (8, 10) for measuring, respectively, the dielectric permittivity and the electrical conductivity of the fluid (F); two electrodes (5, 5′) facing each other from opposite sides of the fluid (F); a selector system (11) for alternatively connecting the two measurement circuits (8, 10) to the electrodes (5, 5′). Each electrode (5, 5′) comprises two sectors (5a, 5b) suited to establish mutually separate electrical contact with the fluid (F) and the electrical conductivity measurement circuit (10) comprises two measurement sections (V, A) of different impedance, each one of which being connectable to a corresponding sector (5a, 5b) of each electrode (5, 5′).
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