Frazil ice concentration measuring apparatus

Details Frazil ice concentration measuring apparatus Frazil ice concentration measuring apparatus

G - Physics

01

R

324/45

G01R 27/14 (2006.01) G01R 27/22 (2006.01)

Patent

CA 1245721

ABSTRACT OF THE DISCLOSURE A frazil ice concentration measuring instrument is described in which constant currents are supplied to a reference probe and sensor probe and used to generate voltages across the electrodes in these probes. The sensing and reference voltages are amplified and compared in signal processing circuitry to generate an output voltage which is then integrated to give an average value of frazil ice concentration in a given time. A heating system using oil as the heat transfer medium is used to supply and maintain the electrodes of the sensing and reference probes just above freezing to prevent ice accumulation on the electrodes. The apparatus can also be used as general conductivity measuring instrument or for determining the concentration of a lesser conducting material in a more conducting liquid.

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