Apparatus for determining the moisture content of a medium

Details Apparatus for determining the moisture content of a medium Apparatus for determining the moisture content of a medium

1994-05-03

1995-10-17

Wieder, Kenneth A.

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Distributive type parameters

324664, 324533, 324690, 340604, G01R 2702, G01R 3111

Patent

active

054594030

ABSTRACT:
In an apparatus for determining the material moisture of a medium by measuring the dielectric coefficient of the medium around a measuring probe, wherein the apparatus includes a signal generator providing to one end of the probe a pulse signal, the echo of which, when returning from the other end of the probe, is received by a receiver, and a timing device determining the time elapsed between the introduction of the pulse signal and the return of the echo, the probe consists of a body structure which has electrical signal conductors disposed on its surface.

REFERENCES:
patent: 2373846 (1945-04-01), Olken
patent: 3105214 (1963-09-01), Blythe et al.
patent: 3766471 (1973-10-01), Pullman
patent: 5212453 (1993-05-01), Koehler et al.

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