Volumetric moisture tester

Details Volumetric moisture tester Volumetric moisture tester

1976-04-02

1977-09-20

Krawczewicz, Stanley T.

Electricity: measuring and testing

Conductor identification or location

Inaccessible

G01R 2726

Patent

active

040500160

ABSTRACT:
A moisture tester for grain and like materials is disclosed. The tester includes a walled test chamber including spaced apart electrodes which form an electrical coaxial capacitor, the electrodes being located so that the dielectric constant of the capacitor is modified in accordance with the dielectric constant of a test material sample introduced into the test chamber. To limit the volume, and to configure and pack the volume of test material introduced into the tester in a predetermined way, a funnel arrangement is provided at the tester top. A lower portion of the funnel directs inflowing grain over an axially aligned, centrally located finger which forms one of the electrodes. A pour spout is provided for pouring test sample material from the test chamber after test completion.

REFERENCES:
patent: 2759147 (1956-08-01), Stein
patent: 2774938 (1956-12-01), Edinborgh
patent: 2825870 (1958-03-01), Hart
patent: 2947940 (1960-08-01), Stein
patent: 3081429 (1963-03-01), Moe
patent: 3376503 (1968-04-01), Lundstrom
patent: 3559052 (1971-01-01), Fathauer
patent: 3566260 (1971-02-01), Johnston
patent: 3760267 (1973-09-01), Williams

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