A measuring device for measuring a property of fuel supplied from a fuel tank to a combustion apparatus, may comprise a fuel pump that sucks the fuel in a fuel tank and pumps the fuel toward a combustion apparatus, a fuel discharging portion that discharges the fuel from the fuel pump into the fuel tank, a fuel-measuring storage chamber that receives the fuel discharged from the fuel discharging portion and a pair of electrodes disposed within the fuel-measuring storage chamber so as to measure capacitance.
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