B S & W measuring means and method

A water percentage meter includes a test cell through which a petroleum stream will flow. The test cell has an outer shell which cooperates with a sensor probe to form a sensor capacitor with the petroleum stream as the dielectric, and a reference probe surrounded with dry oil as the dielectric to f...

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Bibliographic Details
Main Author COX; PERCY T
Format Patent
LanguageEnglish
Published 05.10.1993
Edition5
Subjects
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Summary:A water percentage meter includes a test cell through which a petroleum stream will flow. The test cell has an outer shell which cooperates with a sensor probe to form a sensor capacitor with the petroleum stream as the dielectric, and a reference probe surrounded with dry oil as the dielectric to form a reference capacitor. A comparator network compares the capacitance of the sensor capacitor with the capacitance of the reference capacitor, and provides a signal representative of the capacitance difference. An output circuit provides an output representative of the water percentage in the petroleum stream in accordance with the signal from the comparator network.
Bibliography:Application Number: US19910811633