Electro-Chemical Devices: Plumb-and-Play Chlorine Dioxide Analyzer

With a panel mounted plumb-and-play design and automatic flow control, the unit is a low maintenance, complete chlorine dioxide measurement system, measuring Cl02 in concentrations ranging from 0.05-20 ppm CIO2; as a sanitizing rinse for CIP systems, Cl02 is typically used in concentrations between 2 and 5 ppm. The unit is easy to install and maintain and can run for up to one year between electrolyte/membrane changes. It incorporates a CIO2 sensor, automated flow control device and analyzer/controller mounted on a PVC panel. Installation is complete after connecting the sample and drain lines, power and outputs, and calibration is accomplished with DPD comparison. Its "constant head" flow control device maintains the polarographic gold/silver PTFE membrane amperometric CIO2 sensor's optimum flow over a wide range of incoming sample flow rates, from 10-80 gal/hr. sensor, so output is virtually independent of flow rate at values greater than 0.5 ft/sec.

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