Capacitance measurement of a dielectric medium

Christopher Lyndon Davey (Inventor), Douglas B. Kell (Inventor)

Research output: Patent


A method for analysing a dielectric mediun comprises the step of measuring, at one or more frequencies, the capacitance between a pair of electrodes immersed in the dielectric medium. The proportion of the or each capacitance measurement due to electrode polarisation capacitance and/or to the residual capacitance of the dielectic medium is then determined using capacitance measurements made between the electrodes at a first frequency and at a second frequency, the ratio of the respective polarisation capacitances at these two frequencies being predetermined.
Original languageEnglish
Patent numberWO1999017124A1
Publication statusPublished - 08 Apr 1999


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