Accession Number:

ADD014811

Title:

Capacitive Moisture Detection Apparatus.

Descriptive Note:

Patent Application, Filed 22 Aug 90,

Corporate Author:

DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s):

• Rodrigeu, David
• Odams, Charles E.
• McDonald, Michael

Report Date:

1990-08-22

Pagination or Media Count:

11.0

Abstract:

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.

Descriptors:

• ANALYZERS
• CABLES
• CAPACITANCE
• DETECTORS
• ELECTRICAL IMPEDANCE
• INTRUSION
• MOISTURE
• TEST FIXTURES
• UNDERWATER EQUIPMENT
• VOLUME
• WATER

Subject Categories:

• Electricity and Magnetism

Distribution Statement:

APPROVED FOR PUBLIC RELEASE