SYSTEM FOR MEASURING A PHYSICAL VARIABLE

摘要

The invention relates to a system for measuring a physical variable using a first electrode (8) and a second electrode (9), the first electrode (8) being arranged in parallel to the second electrode (9) and the surface area of the first electrode (8) being smaller than the surface area of the second electrode (9). Preferably, the size ratio of the surface areas of the first (8) and the second electrode (9) is selected in such a manner that an output signal of the system (7; 12; 12.1; 12.2; 12.3) is substantially independent of the vertical position of an measuring object (2; 5; 15) between the first (8) and the second electrode (9). The system according to the invention can be used to determine whether a medicament pack is correctly filled with medicaments and/or medicament capsules, for determining the filling level of a medicament capsule or a cavity of a support serving to receive liquids, for determining whether a package is correctly filled with semiconductor components or sweets, for the recognition of a one-dimensional or two-dimensional code, a plastic identity card, a plastic key or a coin image and for examining a thick-film and/or thin-film integrated circuit.