Thermoelement

Details Thermoelement Thermoelement

G - Physics

01

K

G01K 7/04 (2006.01)

Patent

CA 2733429

In a thermoelement (1) for measuring the temperature in gaseous or fluid media by means of one or more thermocouples (4) comprising wires made from different kinds of metals welded together which give off a resulting electrical voltage when heated and are configured as a measuring insert (2) arranged in an insulating rod (3) inserted in a heat-resistant protective tube (11) that can be connected to a connection head (6), in which case the protective tube is wholly or partially surrounded by a holding tube (21), it is necessary to prevent a high input of heat which has an unfavourable effect on a temperature measurement. This is achieved in that the holding tube (21) is supported against the protective tube (11) at a radial distance from the protective tube (11), that a heat-resistant trace (31) and, possibly, an insulating material (33) are inserted between the protective tube (11) and the holding tube (21), and that the holding tube (21) is attached to the connection head (6) and/or the protective tube (11) in one or both end areas with thermal insulation.

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