Electricity: measuring and testing – Electrolyte properties – Using a conductivity determining device
Patent
1986-09-22
1988-10-11
Paschall, M. H.
Electricity: measuring and testing
Electrolyte properties
Using a conductivity determining device
324438, 324514, 204401, 204420, G01N 2746
Patent
active
047774444
ABSTRACT:
A testing method and apparatus for testing the condition of electrodes and their conductors in ion sensitive measuring or controlling systems, wherein the measuring circuit is disruptive and replaced by an impedance measuring circuit containing only one electrode, so that also failures of, for example, reference electrodes, soiling and deposits, and electrolyte loss, can be determined. The arrangement has sufficient accuracy to detect faults, defects and failures as they slowly come into existence.
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patent: 4360415 (1982-11-01), Brezinski
patent: 4430164 (1984-02-01), Daroczy et al.
patent: 4680537 (1987-07-01), Miller
patent: 4680552 (1987-07-01), Shirato et al.
patent: 4686011 (1987-01-01), Ja324438
Beijk Jozeph M.
Both Teunis
Gaffin Jeffrey A.
Kojima Moonray
Paschall M. H.
Yokogawa Electric Corporation
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