Importance

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Abstract

A residual analyzer assembly including an analyzer probe, typically of the amperometric type having a stable zero calibration, and a working fluid sampler system having means for backflushing the flow so as to periodically cleanse the system. The residual analyzer probe having two bare electrodes operating as a working electrode and a counter electrode. The working electrode being formed in a double spiral helix with the counter electrode being formed in an outer peripheral ring closely adjacent the working electrode. The probe also including a third electrode within an electrolytic solution and positioned behind a membrane located directly behind the working electrode. The three electrode system operated utilizing a potentiostat type circuit. The working fluid sampler system adapted to sample a portion of the working fluid flow and maintain a constant pressure into a flow block. A controlled amount of reagent being added for proper residual analyzation of the sample. The sample flow being directed into an impeller chamber which provides a constant flow velocity directly adjacent the exposed electrodes of the analyzer probe. A backflush mechanism is also provided to cleanse the internal flow passageways of the system on a periodic basis.

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First Claim