Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters
Patent
1991-03-07
1992-12-15
Harvey, Jack B.
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Lumped type parameters
73 2801, 73 3103, 422 98, G01R 2702, G01N 3100
Patent
active
051720663
ABSTRACT:
A method, based on the measurement of electrical resistance, and an apparatus for performing the measurement, which indicates the moment in which a gas purifier is about to loose its purification efficiency. The gas purifier can therefore be substituted before the impurity levels in the purified gas output reach undesirably high values.
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Solcia Carolina
Succi Marco
Harvey Jack B.
Murphy David R.
Regan Maura K.
SAES Getters SpA
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