Absorption measurement system

US8908184B2 · kind B2 · utility

Assignee

• Endress+Hauser Conducta Gesellschaft fuer Mess- und Regeltechnik mbH + Co. KG · DE

Inventors

• Ralf Bernhard · Stuttgart, DE
• Achim Gahr · Goldbach, DE

Key dates

• Filing date: Nov 29, 2011
• Grant date: Dec 9, 2014
• Expiry date: Jan 14, 2033

Classification

• Technology area (CPC G): Physics
• CPC primary: G01N2201/0662
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

An absorption measurement system, flexibly usable over a large measuring range, for measuring at least one property of a medium reflected in its absorption behavior, especially a property such as an absorption coefficient (μ). The absorption measurement system comprises: a measuring chamber filled with the medium in measurement operation, in which radiatable beam paths usable as measuring paths and of different lengths, extend completely through the medium; a transmitting unit, which transmits radiation along the measuring paths through measuring chamber in measurement operation; a measuring and receiving unit, which receives radiation passing through measuring chamber on the measuring paths and measures its radiation intensities dependent on the property of the medium and the lengths of the measuring paths; and a measuring electronics, which determines the property based on the measured radiation intensities and the lengths of measuring paths.