ELECTRICAL LEVEL GAUGE Russian patent published in 2012 - IPC G01F23/00 E21B47/04 

FIELD: physics.

SUBSTANCE: electrical level gauge includes a housing, a tooth rack, a measurement counter, a drum with a cable and toothed wheel fitted on a shaft. The level gauge is additionally equipped with top and bottom electrical contact sensors mounted on the cable at a distance from each other, a control device, an electromagnet with a shoe lying over the drum. The level gauge is also provided with an electromagnet with a tooth rack which is mounted on the guide of the housing over the toothed wheel and can move on the guide.

EFFECT: high accuracy and reliability of measurements.

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