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AssigneeBEGO Bremer Goldschlagerei Wilh. Herbst GmbH & Co.
InventorsMarkus Mersmann, Heinz Lambrecht
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The invention relates to an apparatus for contactless temperature measurement of a melting charge located in a melting crucible 2 inside a melting furnace, in particular a furnace for precision casting, by means of a pyrometer 5 with an optical system 8 and at least one sensor 6 optically connected to said optical system 8, wherein said optical system 8 can be directed by means of a sight glass 18 onto at least one section of the melting crucible 2. In order to reduce soiling caused by smoke gas deposits on the sight glass, a tube is provided which is connected at its upper end to the sight glass 18, extends into a melting chamber 11 of the melting furnace and can be pointed in the direction of the melting crucible 2.
Apparatus for contactless temperature measurement of a melting charge located in a melting crucible (2) inside a melting furnace, in particular a furnace for precision casting, by means of a pyrometer (5) with an optical system (8) and at least one sensor (6) optically connected to said optical system (8), wherein said optical system (8) can be directed by means of a sight glass (18) onto at least one section of the melting crucible (2),
Dependencies are inferred from the claim text.