Device for determining and/or monitoring the level of a filled substance in a container

US6928867B2 · kind B2 · utility

Assignee

• ENDRESS+HAUSER GMBH+CO.KG · DE

Inventors

• Ralf Reimelt · Freiburg (Elbe), DE
• Herbert Schroth · Schopfheim, DE

Key dates

• Filing date: Dec 14, 2001
• Grant date: Aug 16, 2005
• Expiry date: Dec 14, 2021

Classification

• Technology area (CPC G): Physics
• CPC primary: G01F23/284
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

The invention concerns a device for determining and/or monitoring the fill level of a fill material in a container with a transmitting-/receiving-unit, which produces and receives high frequency measurement signals, and an evaluation/control-unit, which determines the fill level of the fill material in the container on the basis of the travel time of the high frequency measurement signals. High frequency measurement signals are guided along a conductive element. The coupling onto, and from, element is done by a coupling unit. The device is secured at the container using an attachment part placed above the maximum fill level to be measured and/or monitored in the upper region of the conductive element, a horn-shaped element is arranged such that its lower opening area facing in the direction toward the surface of the fill material lies approximately in the plane of the attachment part.