US PATENT SUBCLASS 324 / 442
.~.~ Which includes an oscillator

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324 /   HD   ELECTRICITY: MEASURING AND TESTING

425  DF  ELECTROLYTE PROPERTIES {3}
439  DF  .~ Using a conductivity determining device {8}
442.~.~ Which includes an oscillator

DEFINITION

Classification: 324/442

Which includes an oscillator:

(under subclass 439) Subject matter including the passage of alternating current generated by an oscillator through the electrolyte in which resultant current flow is a measure of electrolyte conductivity.