Total Chlorine Sensor Membrane and Electrolyte Change
The Pi CRONOS, CRIUS and CRATOS HaloSense free chlorine or free bromine sensors rely on a membrane and electrolyte to separate the working electrode from the process water in the sophisticated, yet easy to use Process Instruments free chlorine and free bromine. Three electrode potentiastatic chrono amperometric sensors. These sensors are very easy to maintain with the membrane changed every 12-24 months and the electrolyte changed every 3-6 months. This video shows a complete build free chlorine (free bromine) sensor from new but can be used to remind users how to change the electrolyte and membrane.
Go to the HaloSense Page
The HaloSense Free Chlorine sensor measures the concentration of dissolved free residual chlorine. In potable, process or swimming pool water this means HOCl (hypochlorous acid) plus OClֿ (hypochlorite ion). The relative amount of these two species is dependent on the pH of the solution.
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