Flexible probe for measuring moisture content in soil

Details Flexible probe for measuring moisture content in soil Flexible probe for measuring moisture content in soil

2007-02-13

2007-02-13

Nguyen, Vincent Q. (Department: 2858)

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Distributive type parameters

Reexamination Certificate

active

11222200

ABSTRACT:
The embodiments of the invention are directed to a new apparatus and method of measuring the water content using time domain reflectometry (TDR), or electrical conductivity in deep soil levels. to. The method uses flat, flexible, waveguides attached to a flexible sleeve filled with a filling material which press the flexible waveguides against an irregularly shaped interior borehole wall.

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“Systems”, FLUTE (Flexible Liner Underground Technologies, Ltd., Co.) Santa Fe, New Mexico, Internet Pages http://www.flut.com/sys—2.htm, Oct. 11, 2002, pp. 1-2.
Selker, John S., et al, “Noninvasive Time Domain Reflectometry Moisture Measurement Probe”,Soil Sci. Soc. Am J., vol. 57, Jul.-Aug. 1993, pp. 934-936.

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