| 摘要 |
PROBLEM TO BE SOLVED: To provide a capacitance type level sensor capable of more accurately detecting a dielectric constant without relying on a change in liquid level and a change in temperature, and also capable of suppressing an increase in the complexity of configuration.SOLUTION: A capacitance type level sensor 1 comprises: a level detection unit 11 comprising opposed electrodes 11a, 11b provided along a vertical tank direction; a detection circuit 20 for detecting a liquid level in accordance with the capacitance of the level detection unit 11; a dielectric constant sensor 12a provided at the bottom of a tank in order to detect the dielectric constant of liquid; first wiring 12b, provided along the vertical tank direction, for connecting from the detection circuit 20 provided on tank top side to the dielectric constant sensor 12a; and second wiring 14 provided generally in parallel with the first wiring 12b from the detection circuit 20 toward the lower part of the tank. |
