Multi-wire mineral insulated cable thermocouple reference juncti

Thermal measuring and testing – Temperature measurement – By electrical or magnetic heat sensor

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165185, 174 35R, 374112, 374172, G01K 702, G01K 710

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active

046245820

ABSTRACT:
Apparatus for making a transition from leads (12-26) of a temperature measuring thermocouple to extension wires (44-58) within a hermetically sealed cable sheath (60) of small diameter. The interior of the cable sheath (60) is shielded from electromagnetic radiation by an electrically conductive liner (62). A thermally conductive, electrically insulating material (66) surrounds the intermediate junctions (28-42). The temperature of the intermediate junctions (28-42) is measured (64) providing a signal to compensate the voltage generated by the temperature measuring thermocouples due to the thermoelectric effect of the intermediate junctions (28-42).

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