Importance

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Abstract

There is provided a temperature probe for measuring the temperature of the probe's surroundings and including a tip casing having an interior casing cavity in fluid communication with the probe's surroundings and at least one interior wall cavity located with respect to the interior casing cavity to facilitate heat transfer between the two cavities. A sensor such as a resistance temperature detector is mounted in the interior wall cavity and surrounded by sufficient packing to electrically insulate the sensor from the tip casing wall. A support casing is mated to one end of the tip casing with at least that portion of the support casing adjacent to the tip casing having an effective thermal conductivity lower than that of the tip casing. A heat dissipation mechanism such as a plurality of fins attached to the support casing may also be provided to limit heat transfer down the length of the support casing from the tip casing.

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First Claim