Immersion thermowell for temperature and water level sensing

Measuring and testing – Liquid level or depth gauge – Thermal type

Reexamination Certificate

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Reexamination Certificate

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07836761

ABSTRACT:
An immersion thermowell with an electrically isolated sensor tube allows for ready conduction of heat energy to a temperature sensor probe. An electrical signal originating on the fluid container chassis can be conducted into the water, which can then be conducted to the electrically isolated thermowell tip and the signal can be made available to control apparatus.

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patent: 2007/0253463 (2007-11-01), Perry et al.
patent: 60049224 (1985-03-01), None
NEFI Magazine, Jan. 2008, advertisement for Hydrolevel Electrowell.

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