DEVICE FOR DETERMINING THE DENSITY AND THE LEVEL OF A FILLING MATERIAL IN A CONTAINER

WIPO Patent Application WO2002018883

A3

The invention relates to a device for determining and/or monitoring the density and/or the level (L) of a filling material (8) in a container (6). A transmitting unit (2) which emits radioactive radiation and a receiving unit (3) which is arranged in such a way that it receives the radioactive radiation or the secondary radiation that is produced by the interaction of the radioactive radiation with the filling material (8) are provided. A regulating/evaluating unit (13) which determines the density and/or the level of the filling material (8) in the container (6) using the measuring data that is supplied by the receiving unit (3) is also provided. The aim of the invention is to provide a device which enables the level or the density of a filling material in a container to be measured reliably. To this end, the receiving unit (3) consists of individual detector units (4). These detector units (4) are positioned at different distances from the floor of the container (6), so that each detector unit (4) directly or indirectly, essentially detects the proportion of radiation that passes through a defined partial area of the container (6) or that is produced in a defined partial area of the container (6).

DAMM HARTMUT (DE)
NEUHAUS JOACHIM (DE)
KAEMEREIT WOLFGANG (DE)

PCT/EP2001/009743

June 27, 2002

August 23, 2001

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ENDRESS & HAUSER GMBH & CO KG (DE)
DAMM HARTMUT (DE)
NEUHAUS JOACHIM (DE)
KAEMEREIT WOLFGANG (DE)

G01F23/288; G01N9/24; G01N23/22; (IPC1-7): G01F23/288; G01N9/24

US3594575A	1971-07-20
US6104033A	2000-08-15
DE19847555A1	2000-04-20
DE2008411A1	1971-09-09
US4591719A	1986-05-27

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