pH & Redox / ORP AnalyzersABB's pH & Redox / ORP analyzers are designed to meet the most exacting requirements of our valued customers. The extensive range covers 2 and 4-wire analyzers and single or dual-input devices.Integral advanced functions include a sensor wash utility, PID control, automatic buffer recognition and in-line sensor diagnostics.Our hazardous area certifications embrace FM, CSA and ATEX intrinsic safety. Instruments are available with HART, PROFIBUS PA, and FOUNDATION Fieldbus communications capabilities.Single / Dual Input AnalyzersSingle Input Analyzers2-Wire and Other AnalyzersSingle / Dual Input Analyzers (Table 1 of 2)AX460AX466>>read more>>read moreInput 1pH / ORPpH / ORPInput 2-pH / ORPMountingPanel / Wall / PipePanel / Wall / PipePower Supply4-wire AC & 24 V DC4-wire AC & 24 V DCCurrent Outputs2 or 42 or 4Relay Outputs3 or 53 or 5PID ControlYes-Cleaning FunctionIncludedIncludedHazardousApprovalATEX Type N (pending)FM / CSA Class 1Div 2 (pending)ATEX Type N (pending)FM / CSA Class 1Div 2 (pending)CommunicationPROFIBUS DPMODBUS (pending)PROFIBUS DPMODBUS (pending)Single / Dual Input Analyzers (Table 2 of 2)AX416AX436AX468>>read more>>read more>>read moreInput 1µS/cmmS/cmpH / ORPInput 2pH / ORPpH / ORPppm DOMountingPanel / Wall / PipePanel / Wall / PipePanel / Wall / PipePower Supply4-wire AC & 24 V DC4-wire AC & 24 V DC4-wire AC & 24 V DCCurrent Outputs2 or 42 or 42 or 4Relays Outputs3 or 53 or 53 or 5PID Control---Cleaning FunctionIncludedIncludedIncludedHazardousApprovalATEX Type N (pending)FM / CSA Class 1Div 2 (pending)ATEX Type N (pending)FM / CSA Class 1Div 2 (pending)ATEX Type N (pending)FM/CSA Class 1Div 2 (pending)CommunicationPROFIBUS DPMODBUS (pending)PROFIBUS DPMODBUS (pending)PROFIBUS DPMODBUS (pending)>>backSingle Input Analyzers4630463146354636>>read more>>read more>>read more>>read moreSingel InputpH / ORPpH / ORPpH / ORPpH / ORPMountingWall / PipeWall / PipePanelPanelPower Supply4-wire AC4-wire AC4-wire AC4-wire ACCurrent Outputs1 or 21 or 21 or 21 or 2Relays Outputs2222PID Control----Cleaning Function-Included-IncludedHazardousApproval----CommunicationMODBUSMODBUSMODBUSMODBUS>>back2-Wire and Other AnalyzersTB84PHTB82PH>>read more>>read moreSingle Input 1pH / ORPpH / ORPMountingPanel / Wall / PipePanel / Wall / PipePower Supply4-wire AC2-wire 24 V DCCurrent Outputs21Relay Outputs3-PID Control--Cleaning FunctionIncluded-HazardousApprovalFM & CSA Class I Div II- ATEX EEx ia IIC T3C- FM & CSA Class I Div I, IICommunication-HART, PA, FF