FUEL SENSOR BASED ON MEASURING DIELECTRIC RELAXATION

摘要

Fuel sensor (100) and method for detecting physical properties of a fuel comprising a probe (10) and a circuit (110) having an oscillator arranged to apply multiple frequencies to the probe (10) and measure electrical properties of fuel proximal to the probe (10) in response to the applied multiple frequencies, wherein the circuit (110) has one or more outputs (160) arranged to indicate physical properties of the fuel, and wherein the one or more outputs (160) vary in response to the measured electrical properties. More particularly, fuel composition and level in terms of fuel, water and ice is determined by measuring dielectric relaxation.