Electricity: measuring and testing – Using ionization effects
Patent
1985-09-23
1987-12-22
Eisenzopf, Reinhard J.
Electricity: measuring and testing
Using ionization effects
324500, 328 7, 361 42, G01N 2762, H02H 300
Patent
active
047148918
ABSTRACT:
Different approaches are described, in ionization gauges or the like, which either prevent dangerous open ground conditions and/or sense the presence of the open ground whereby the controller power may be automatically turned off. Circuitry for extending the measurement range of ionization gauges is also described.
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Eisenzopf Reinhard J.
Ferguson Jr. Gerald J.
Foycik, Jr. Michael J.
Granville-Phillips Company
Hoffman Michael P.
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