Conductivity measuring device

Details Conductivity measuring device Conductivity measuring device

1988-10-25

1991-11-26

Wieder, Kenneth A.

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

324692, 324358, G01R 2702

Patent

active

050686194

ABSTRACT:
A conductivity measuring device comprises a low-potential intermediate electrode which is capable of being in connected state by a switch and which is disposed between a couple of measuring electrodes for transmitting and receiving. Each of said electrodes is made contact with a body to be tested so that the conductivities of the surface and the inner portion of said body to be tested can be measured, respectively.

REFERENCES:
patent: 2190321 (1940-02-01), Potapenko
patent: 2345608 (1944-04-01), Lee
patent: 3319158 (1967-05-01), McDoulett
patent: 3382428 (1968-05-01), Sherwood
patent: 4041372 (1977-08-01), Miller
patent: 4446424 (1984-05-01), Chatanier
patent: 4467283 (1984-08-01), Owen
patent: 4546310 (1985-10-01), Chatanier
patent: 4553087 (1985-11-01), Kuhn

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