Emerson 3081FG instruction manual Specifications, Probe

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Model 3081FG

Instruction Manual

IB-106-3081 Rev. 1.5

September 2002

1

1-3 SPECIFICATIONS

Net O2 Range	0 to 25% O2
Fully Field Selectable via the HART Interface
Lowest Limit	0.05% O2
Highest Limit	25.00% O2
Accuracy	±1.5% of reading or 0.05% O2, whichever is greater
System Response to Calibration Check Gas	Initial response in less than 3 seconds
PROBE	T90 in less than 10 seconds
PROBE
Lengths	20 in. (508 mm)
	26 in. (660 mm)
Temperature Limits	34.625 in. (880 mm)
Temperature Limits
Process Temperature Limits	550° to 1400°C (1022° to 2552°F)
	Operation to 1600°C (2912°F) with reduced cell life.
Ambient	-40° to 149°C (-40° to 300°F) Ambient
Mounting and Mounting Position	Vertical or Horizontal
Materials of Construction
Process Wetted Parts
Inner Probe	Zirconia
Outer Protection Tube	Alumina [1600°C (2912°F) limit]
	Inconel 600 [1000°C (1832°F) limit]
Probe Junction Box	Cast aluminum
Speed of Installation/Withdrawal	1 in. (25.4 mm) per minute
Hazardous Area Certification	Intrinsically safe per EN50 014 (1977), clause 1.3(1)
Reference Air Requirement	100 ml per minute (0.2 scfh) of clean, dry instrument
	air; 1/4 in. tube fittings
Calibration Check Gas Fittings	1/4 in. tube fittings
Cabling	Two twisted pairs, shielded

(1)Thermocouple and O2 probe cell are both unpowered, developing a millivolt emf, and are considered a “simple apparatus” by certifying agencies.

Rosemount Analytical Inc. A Division of Emerson Process Management

Description and Specifications 1-7

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Contents Model 3081FG Essential Instructions Highlights of Changes Page Model 3081FG Table of ContentsProper Calibration Check Gas Flow Rate List of IllustrationsModel 3081 Transmitter Terminal Block List of TablesModel 3081FG Definitions PrefaceModel 3081FG Component Checklist of Typical System Package Contents Section Description and SpecificationsCode Mounting Adapter Stack Side Product MatrixSystem Overview System ConfigurationScope System DescriptionSystem Features Handling the Analyzer System Considerations Transmitter Typical System InstallationProbe SpecificationsOhms Lift OFF Maximum Power Supply VoltageVDC Operating Load RegionPRE-INSTALLATION Section InstallationMechanical Installation InspectSide View Bottom View Front ViewMetal Wall Masonry Wall Stack or Duct Horizontal Probe Installation Adjusting Probe Insertion Depth Model 3081FG Installing Model 3081 Transmitter Circuit Terminal END Cover LockBlock TB Mounting HolesElectrical Installation Display Positioning AssemblyThermocouple CELL-WH CELL+BK Model 3081 Transmitter 4-20 mA and Signal ConnectionsTerminal Block Conduit Reference Air Package Pneumatic InstallationInstrument Air Reference Air Calibration Check GasOutlet Outlet ConnectionInlet Connection Flow SET MAX Point Knob Mounting HolesGeneral Power UPSection Startup and Operation Proper Calibration Check Gas Flow Rate Reestablishing Proper Calibration Check GAS Flow RateOverview OperationDisplay Menu TreeCalcheck DiagnosticsMenu ProgramNavigation Infrared Remote Control IRCAnalyzer Access Code O2 Concentration Analyzer Access Code Or SecurityProgram Menu O2 ConcentrationO2 Concentration Upper Cell Temperature Fault Value O2 Concentration Indicator Fault ValueUpper Range VAL Cell T HITo Reset Maximum Cell Temperature Reset MAX Cell TO2 Concentration Analyzer Access Code SET O2 Filter TimeConcentration SET HI Bottle O2SET LO Bottle O2 Model 3081 Transmitter Parameters SET Code Parameter Range DefaultModel 3081 Transmitter Parameters C mV Diagnostics MenuShow Fault 24. Previous Slope Previous Constant 23. Cell ImpedanceCalcheck Menu SW Build NumberSW Build Date Accept LOW O2 27. in MANUAL?29. Accept LOW O2 Slope Model 3081FG Section HART/AMS Hart Communicator Signal LineOverview ConnectionsMethod 2, For Load Resistance 250 Ohms Analog Output Device Loop ConnectorsHart Communicator PC TWO-WIRE in Situ Oxygen AnalyzerOFF-LINE and ON-LINE Operations Menu Tree for Hart CommunicatorDevice Setup From Sheet Basic Setup Detailed From Sheet Signal Condition Detailed Setup Output Hart Communicator Start CAL- Check Method Model 3081FG Model 3081 Electronics Replacement Section Maintenance and ServiceDisplay Board Replacement PC Board Stack ReplacementTwo-Wire In Situ Oxygen Analyzer Exploded View Oxygen Probe Replacement Oxygen Probe Terminal Block IMPEDANCE, Ω Section TroubleshootingProbe Life Speed Fault IndicationsOfresponse Thermocouple Identifying and Correcting Fault IndicationsFault 1, Open Thermocouple Fault 3, Shorted Thermocouple Fault 5, O2 Cell Open Fault 6, Cell Impedance Too High Fault 5, O2 Cell Open11. Fault 7, Reversed O2 Cell Fault 7, Reversed O2 CellModel 3081FG Section Return of Material Model 3081FG Replacement Parts List Replacement PartsSection Index No Part Number DescriptionModel 3081FG Section Index Model 3081FG Model 3081FG Page Section Drawings and Schematics Model 3081FG Warranty Two-Wire In Situ Oxygen Analyzer Serial no Order no