Method and apparatus for measuring water content

Details Method and apparatus for measuring water content Method and apparatus for measuring water content

1988-02-04

1989-12-12

Chambers, A. Michael

Fluid handling

Ambient condition change responsive

For controlling soil irrigation

239 63, 374147, B05B 906

Patent

active

048860883

ABSTRACT:
According to a method and an apparatus for measuring a water content, a thermal conductivity of a measurement target is measured, and a water content of the measurement target is calculated from the thermal conductivity in accordance with prepared data which represents correlation between a thermal conductivity and a water content of the measurement target. A water content management system controls the water content in accordance with the actual water content. If the water content is excessive, it is informed by an alarm system.

REFERENCES:
patent: 4059982 (1977-11-01), Bowman
patent: 4261382 (1981-04-01), Bridges
patent: 4630036 (1986-12-01), Ford
patent: 4693419 (1987-09-01), Weintraub et al.

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