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Emerson Process Management 3081 pH/ORP ON-LINE Ordering NOW Available on OUR WEB Site

Models: 3081 pH/ORP

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Emerson Process Management

Rosemount Analytical Inc.

2400 Barranca Parkway

Irvine, CA 92606 USA

Tel: (949) 757-8500

Fax: (949) 474-7250

http://www.raihome.com

© Rosemount Analytical Inc. 2004

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Emerson Process Management 3081 pH/ORP instruction manual ON-LINE Ordering NOW Available on OUR WEB Site

Contents

Model 3081 pH/ORP Essential Instructions What YOU Need to Know RTD Use the Quick Start Guide ifBase Model 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 14.0 13.0114 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 Conduit Openings 3/4 in. Fnpt Specifications -GENERAL for Model 3081 pH/ORPIntrinsic Safety Hazardous Area Classification Explosion ProofSpecifications ORP Ordering InformationPH Input Range 0 to 14 pH Sensor-mounted Remote Model 3081 pH/ORP TRANSMITTER-SENSOR Compatibility ChartPreamplifier Location Model ORPMODEL/PN Description Shipping Weight Temperature Element Section InstallationPRE-INSTALLATION Setup 2.2.1 Transmitter Default Settings 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 Purpose Temperature CalibrationProcedure 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 Gwjl GFHGwjh GFLRWJL RFHRWJH RFLTemperature Related Settings TMAn TEMPTAUtO TC 1TYPE Display UnitsDISPLAY 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 Cleaning Procedures PH Sensor MaintenanceFrequency of Cleaning 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 GLASSWArn Troubleshooting Flowchart GLASSWArnSlope Status of Sensor REF FailTroubleshooting Flowchart rEF Fail REFWArn Troubleshooting Flowchart rEF WArnTroubleshooting Flowchart- tEMP HI and tEMP LO 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 LOSlope Err HI Troubleshooting Flowchart-SLOPE Err HITroubleshooting Flowchart-Std Err Std ErrROM Fail or CPU Fail Troubleshooting-AdC WArn or CyCLE PWrTroubleshooting-WritE Err 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 No Display Temperature Reading Is InaccurateHart Communications Problems 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 116Temp C Slope mV/unit pH Glass Electrode SlopeBuffers and Calibration 117Junction Potential Mismatch 118Sensor Diagnostics SHIELDS, INSULATION, and Preamplifiers119 Section ORP Measurements GeneralLiquid Junction Potential Measuring ElectrodeReference Electrode 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