Method and device for capacitive fill level measurement of liquids or bulk materials

US9429461B2 · kind B2 · utility

Assignee

• RECHNER Industrie-Elektronik GmbH · DE

Inventors

• Stefan Gebhardt · Weidenberg, DE
• Armin Kohler · Ingolstadt, DE
• Martin Suenkeler · Proseken, DE
• Thorsten Koob · Lorsch, DE
• Eduard Bischler · Lampertheim, DE

Key dates

• Filing date: Jan 23, 2014
• Grant date: Aug 30, 2016
• Expiry date: Aug 9, 2034

Classification

• Technology area (CPC G): Physics
• CPC primary: G01F23/268
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A method for capacitive fill level measurement of liquids and/or bulk materials in a container using at least one measuring sensor that is connected to a measuring electronics, wherein the measuring sensor is constructed from a plurality of, at least three, electrodes which are electrically insulated from one another and which, for measuring the fill level, are inserted into the container, and in the inserted state extend into the container, and wherein these at least three electrodes are connected to the measuring electronics and are operated in at least one first or in at least one second measuring mode. The invention further relates to a device for capacitive fill level measurement of liquids and/or bulk materials in a container.