HA405-DPA is a pre-pressurized, gel-filled, low maintenance pH-electrode, specially developped for in-line measuremernts in chemical and water applications. It is designed for use in reactors, tanks, open basins and transfer lines under harsh chemical process conditions.
Low maintenance
- The HA405-DPA sensor is filled with gel-reference electrolyte which is pre-pressurized to 2.5 bar (36 psi). The internal over-pressure ensures gradual electrolyte outflow efficiently cleaning the diaphragm and preventing influx of process medium.
Long operational electrode lifetime
- The electrode is further provided with a patented silver-ion trap to prevent diaphragm fouling in sulfide-containing media and prolonging the operative life of the electrode.
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 DPA.pdf (198 KB)
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