Patent ID: 9395226
Filing Date: 2016-07-19
CPC Classification: C12Q,G01F,G01N

Claim Text:
1. An apparatus for capacitive determining and/or monitoring at least one process variable of a medium in a container, comprising: at least one probe unit; and at least one electronics unit, which supplies said at least one probe unit with an electrical, exciter signal and which receives from said at least one probe unit an electrical, measurement signal, wherein: said probe unit has at least one inner electrode and at least one outer electrode surrounding the inner electrode; said at least one inner electrode and said at least one outer electrode are insulated electrically relative to one another and relative to the medium; said at least one electronics unit is embodied in such a manner that it supplies said at least one inner electrode and said at least one outer electrode alternately with the exciter signal, and that it receives and evaluates the measurement signals associated with the individual supplyings of said at least one inner electrode and at least one said outer electrode.