—A B B M E A S U R E M E N T & A N A LY T I C S | U S E R G U I D E | I M/A X 4 P H R E V. PAX416, AX436, AX460, AX466 and AX468Single and dual input analyzers for pH/Redox (ORP)Measurement made easyFor more informationFurther publications are available for free downloadfrom:www.abb.com/analyticalor by scanning this code:Search for or click onData Sheet DS/AX4PH-ENAX460, AX466 and AX416Single and dual input analyzers for pH/Redox (ORP)User Guide Supplement | PID control IM/AX4PIDAX460Single input pH/Redox (ORP) analyzerUser Guide Supplement | PROFIBUS® IM/AX4/PBSAX400 seriesSingle and dual input analyzers—AX400 seriespH/Redox (ORP)analyzers