The Conductivity Analyzer AX411 is designed for use with two ABB 2 electrode conductivity cells. The cost-saving transmitter measures conductivity or resistivity with exceptional accuracy and performance. It incorporates the latest technology to provide a highly reliable, yet flexible, feature-packed device that satisfies a diverse range of process monitoring and control applications. Applications include demineralisation and reverse osmosis plants, semiconductor industry, power plants, biomedical and pharmaceutical industries and large steam-raising plants in Pulp & Paper, Steel and Chemicals. Wall, pipe and panel mount versions with IP 66 / NEMA 4X ingress protection Accurate measurements up to 10,000 µS/cm, 18.2 MΩ·cm and 8,000 ppm total dissolved solids Two cells, one instrument – reduces cost of investment Conductivity difference, ratio, % passage, % rejection and inferred pH calculations True high purity temperature compensations for all pure water applications 2 to 4 current outputs and 3 to 5 relay contacts Versatile power supply options 85 … 265 V AC or 12 … 30 V DC High visibility, multi-language display.