Electricity: measuring and testing – Conductor identification or location – Inaccessible
Patent
1985-10-25
1988-07-12
Eisenzopf, Reinhard J.
Electricity: measuring and testing
Conductor identification or location
Inaccessible
340620, 73304C, 361284, G01N 2722, G01F 2326, G01G 1104
Patent
active
047572523
ABSTRACT:
A probe comprises a plurality of longitudinally extended conductors forming a probe electrode, a laterally displaced ground electrode and two laterally displaced active guard electrodes interposed between the probe electrode and the ground electrode. The conductors are surrounded by solid insulation and the probe guard electrodes are driven at substantially the same potential as the probe electrode. The probe is utilized to measure the condition of materials in which the probe is immersed.
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Maltby Frederick L.
Meacham, Jr. Thomas E.
Petersen Steven R.
Woerner Edward R.
Drexelbrook Controls, Inc.
Eisenzopf Reinhard J.
Solis Jose M.
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