Reference cell for monitoring a liquid stream

Claim 1

A REFERENCE CELL CAPABLE OF CONTINUOUSLY MONITORING AN ELECTRICALLY CONDUCTIVE FLOWING LIQUID, SAID CELL COMPRISING A CONTAINER HAVING FIRST AND SECOND CHAMBERS THEREIN COMMUNICATING WITH EACH OTHER SOLELY THROUGH A MINUTE OPENING NEAR THE UPPER ENDS OF EACH; A LIQUID INLET NEAR THE LOWER END OF SAID FIRST CHAMBER AND A LIQUID OUTLET HAVING AN ORFICE SEAT THEREIN AT THE BOTTOM OF SAID FIRST CHAMBER THEREBY PERMITTING A FLOW OF SAID LIQUID THROUGH THE LOWER INSIDE OF SAID FIRST CHAMBER; A FLOAT DISPOSED IN SAID FIRST CHAMBER IN COOPERATIVE RELATIONSHIP WITH SAID ORIFICE SEAT TO MAINTAIN A DESIRED AMOUNT OF SAID LIQUID IN SAID FIRST CHAMBER; A REFERENCE ELECTRODE IN SAID SECOND CHAMBER ELECTRICALLY INSULATED FROM SAID LIQUID; AN ELECTROLYTE, COMPATIBLE AND IMMISCIBLE WITH SAID LIQUID AND SAID ELECTRODE AND LIGHTER IN DENSITY THAN SAID LIQUID, FILLING THE REMAINING PORTIONS OF SAID FIRST AND SECOND CHAMBERS AT LEAST AS HIGH AS SAID OPENING AND MAINTAINING A BRIDGE THROUGH SAID OPENING, THEREBY FORMING AN ELECTROCHEMICAL CELL ALONG WITH SAID LIQUID AND SAID ELECTRODE. AND ELECTRICAL CONNECTION MEANS ASSOCIATED WITH BOTH SAID LIQUID AND SAID ELECTRODE.