METHOD FOR MEASURING INTERFACE LEVEL USING A CAPACITIVE INTERFACE LEVEL SENSOR 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 measuring the interface level using a capacitive interface level sensor includes the steps of: calibrating the sensor to obtain calibration values of the capacitance difference and values of the dynamic range of the level, using the reference measured medium. Measure the level of the interface between media using a calibrated sensor, while filling the container with the measured medium to a level at which the longest compensation channel is partially immersed in the measured medium. Capacitance values of the main and compensation measuring channel are measured for the tank containing the measured medium, each measurement of the capacitance value of each compensation measuring channel is carried out taking into account the average correction factor. The obtained capacitance values are used to determine the relative level of the media interface in accordance with the values of the dynamic range.

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

17 cl, 32 dwg