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Capacitive Moisture Detection Apparatus.
Patent Application, Filed 22 Aug 90,
DEPARTMENT OF THE NAVY WASHINGTON DC
Pagination or Media Count:
The invention is an apparatus for measuring the volume of water intrusion in underwater cables without dissecting the cables. The apparatus comprises a novel arrangement of a capacitive test fixture and an electrical impedance analyzer to provide measurement of the volume of water in a cable based on cable capacitance. The capacitive test fixture measures the electrical capacitance along the cable as the cable is fed through the test fixture.
APPROVED FOR PUBLIC RELEASE