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Emerson Process Management 3081 pH/ORP 3081Model TransmitterpH/ORP, CSA. forInstallation

Models: 3081 pH/ORP

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3081Model TransmitterpH/ORP

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Emerson Process Management 3081 pH/ORP instruction manual 3081Model TransmitterpH/ORP, CSA. forInstallation

Contents

Model 3081 pH/ORP Essential Instructions What YOU Need to Know Use the Quick Start Guide if Base ModelRTD Preamplifier located Model Option noteQuick Start Guide for Model 3081pH/ORP Wiring Power up and CalibrationOutput Optional Automatic Buffer Calibration Standardizing to Match a Reference InstrumentCalibrate Program Diagnose Menu Tree for pH Technical Support HotlineTable of Contents Model 3081 PH/ORP Microprocessor TransmitterTable of Contents CONT’D 13.0 11414.0 120Table of Contents CONT’D List of Figures Table of Contents CONT’D List of Figures CONT’D Table of Contents CONT’D List of Tables Description and Specifications FeaturesSection Accessories Year 2000 Compliance Millennium StatusModel 275 Hart COMMUNICATOR. The Model Specifications -GENERAL for Model 3081 pH/ORP Intrinsic SafetyConduit Openings 3/4 in. Fnpt Hazardous Area Classification Explosion ProofSpecifications ORP Ordering InformationPH Input Range 0 to 14 pH Model 3081 pH/ORP TRANSMITTER-SENSOR Compatibility Chart Preamplifier LocationSensor-mounted Remote Model ORPMODEL/PN Description Shipping Weight Section Installation PRE-INSTALLATION Setup 2.2.1 Transmitter Default SettingsTemperature Element Unpacking and InspectionChanging Switch and Jumper Positions Preamplifier Location40308110 Mechanical Installation 2.4.1 General information Orienting the Display BoardMounting on a Flat Surface. See Figure Mounting the Model 3081 pH/ORP Transmitter on a Flat Surface40308103 Pipe MountingPower SUPPLY/CURRENT Loop Power Supply and Load Requirements. Refer to FigurePower Supply-Current Loop Wiring. Refer to Figure Section Wiring General Information Wiring DiagramsGeneral Information Wiring Diagrams for pH and ORP Sensors Wire Function Wiring DiagramWiring Diagrams for Model 396R Sensors Junction Box Wiring Diagrams for Model 396P Sensors Junction Box Wiring Diagrams for Model 389 Sensors Junction BoxWiring Diagrams for Model 385+ Sensors Junction Box Wire FunctionsWire Functions Wiring Diagram Jumpers Supplied by Customer Section Section Section 15. Wire functions for Model 385+ 17. Wire functions for Model 328A-07 19. Wiring diagram for Model 320HP-10-55 21. Wire Functions for Model Section 24. Preparation of Raw Connecting Cable PN Sensor Flow Chart on Sensor Flow Chart on Sensor Flow Chart Intrinsically Safe Installations Explosion Proof InstallationsSection Intrinsically Safe & Explosion Proof Fmrc Installation for Model 3081 pH/ORP Transmitter Page CSA. forInstallation 3081Model TransmitterpH/ORPPage Page Section Operation with Remote Controller DisplaysI T N E X T T E R Infrared Remote Controller IRC KEY Functions Infrared Remote ControllerMenu Tree for pH Diagnostic Messages ORP Menu Tree ORPSecurity Entering the Security CodeRetrieving a Lost Security Code Connecting the Hart Communicator Operation Section Operation with ModelOff-line and On-line Operation Menu TreeFast Key Sequences Is on 2b. pH Menu Tree Hart 3a. ORP Menu Tree Hart 3b. ORP Menu Tree Hart Using the Hold Function GeneralEntering and Leaving the Calibrate Menu Temperature Calibration ProcedurePurpose TEMP AdJAuto Calibration What Happens During Auto Calibration?Use of Calibration Standards buffers CAL bF 10.00Manual Calibration 10.00 Making the Transmitter Reading Match a Second pH Meter StandardizationWhat Happens During Standardization? Std SlopeProgramming for pH Measurements Entering and Leaving the Program MenuPH Settings List Mnemonic Display Limits Factory Settings User SettingsOutput Ranging Definitions4MA Diagnostic Parameters Suggested Glass Impedance Warning and Failure LimitsSection GFH GwjhGwjl GFLRFH RWJHRWJL RFLTemperature Related Settings TEMP TAUtOTMAn TC 1Display Units DISPLAYTYPE CodeBuffer Calibration Parameters BUFFEr BAUtOM E Isopotential Parameters ISOPOtntAL TCOEFF 000Snr Generating a Test Current SIM OUtPUtTESt Section Calibration of ORP Measurements TEMP AdJ 25.0Preparation of ORP Standard Solutions StdSection Programming for ORP Measurements ORP Settings LIst Mnemonic Display Factory User Limits Settings Program LevelOutput Ranging 20MA 400 Diagnostic Parameters DIAGnOSTIC RWJH Temperature Element DefinitionDisplay Units Generating a Test Current Section Maintenance Transmitter MaintenanceOverview PH Sensor Maintenance Frequency of CleaningCleaning Procedures Problem Cleaning SuggestionsChecking the Reference Electrode Rejuvenating Reference ElectrodesORP Sensor Maintenance 11.4.1 Frequency of Cleaning Calibration 11.5.1 GeneralCalibration Frequency Section Troubleshooting Testing the Transmitter by Simulating pHFactory Assistance and Repairs Calibration Errors Troubleshooting is easy as 1, 2Message Section Troubleshooting Flowchart Glassfail GlassfailSlope Condition of Sensor Troubleshooting Flowchart GLASSWArn Slope Status of SensorGLASSWArn REF FailTroubleshooting Flowchart rEF Fail Troubleshooting Flowchart rEF WArn Troubleshooting Flowchart- tEMP HI and tEMP LOREFWArn CALIbrAtEThree-wire RTD RTD Resistance Values Temperature 3K BalcoTroubleshooting Flowchart- LInE Fail LInE FailTroubleshooting Flowchart-InPUt WArn InPUt WArnTroubleshooting Flowchart-SLOPE Err LO Slope Err LOTroubleshooting Flowchart-SLOPE Err HI Troubleshooting Flowchart-Std ErrSlope Err HI Std ErrTroubleshooting-AdC WArn or CyCLE PWr Troubleshooting-WritE ErrROM Fail or CPU Fail AdC WArn or CyCLE PWrSymptom Section FACt Fail102 12.5.1 Id 000 in Display 103PH Reading in Buffer Drifts During Manual Calibration Sensor Does Not Respond To Known pH Changes104 105 Temperature Reading Is Inaccurate Hart Communications ProblemsNo Display Display Segments Missing Replace the display board PN 10612 .13 Transmitter Locks Up 12 .14 Transmitter Periodically Restarts ItselfYES OK? Testing the Transmitter by Simulating the pH Diagnostic MeasurementsDiagnostic Messages Voltage mV 111PH Simulation with the Model 381+ Sensor Simulate pH through Model 381+ Sensor Preamplifier 112PH Simulation When Preamplifier is in Sensor Troubleshooting AssistanceReturn of Materials PH Measurements Measuring Electrode Reference Electrode115 Liquid Junction Potential 116Glass Electrode Slope Buffers and CalibrationTemp C Slope mV/unit pH 117Junction Potential Mismatch 118Sensor Diagnostics SHIELDS, INSULATION, and Preamplifiers119 Section ORP Measurements GeneralMeasuring Electrode Reference ElectrodeLiquid Junction Potential 121Relating Cell Voltage to ORP 14.6 ORP, CONCENTRATION, and pH122 Interpreting ORP Measurements ORP,mV VI,Chromiumppm Sulfur dioxide added123 Calibration 124125 Section Theory Remote Communications Overview of Hart CommunicationHart Interface Devices Asset Management Solutions AMS Main Menu Tools 127Section Glossary Term Definition129 Hart 130ORP 131RTD 132133 Warranty Repair NON-WARRANTY RepairSection Return of Material Warranty Return of MaterialON-LINE Ordering NOW Available on OUR WEB Site