Method and apparatus for determining corrosivity of fluids on me

Details Method and apparatus for determining corrosivity of fluids on me Method and apparatus for determining corrosivity of fluids on me

1994-04-18

1996-12-10

Wieder, Kenneth A.

Electricity: measuring and testing

Determining nonelectric properties by measuring electric...

Erosion

324228, 204404, G01N 2700

Patent

active

055834264

ABSTRACT:
A method and apparatus for determining the corrosivity of fluids on a metallic material by means of a coil with AC current with predetermined frequency, amplitude, wave form and range, and a metallic specimen with composition identical to the metallic material exposed to the fluid. The specimen, held within the magnetic field of the coil, sustains loss of mass by exposure to the fluid media with concomitant change in the magnetic quantities of inductivity and inductive resistance. Such changes are then converted from analog to digital, measured, collected and processed by a microprocessor.

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