METHOD FOR PRELIMINARY CALIBRATION OF CAPACITIVE LEVEL SENSOR OF INTERFACE Russian patent published in 2023 - IPC G01F23/26 

FIELD: measuring technology.

SUBSTANCE: invention is intended for measuring the levels of interfaces between media in various industries. The method for preliminary calibration of a capacitive level sensor of the interface between media includes the steps at which the capacitances of the main measuring channel and each compensation measuring channel are measured, within the framework of preliminary calibration, the difference between each value of the capacitance of the compensation measuring channel and the capacitance value of the main measuring channel is calculated by the microcontroller of the computing unit. Repeat these operations for a period of time to obtain a set of primary correction coefficients. The average value of the correction factor is calculated based on the set of primary correction factors and entering the obtained average value of the correction factor into the non-volatile memory of the mentioned computing unit.

EFFECT: technical result is an increase in reliability, manufacturability of the design and an increase in the accuracy of measurements of the level of the interface between media.

16 cl, 32 dwg