Teledyne operating instructions Block Diagram of the Model 3020T Electronics

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Trace Oxygen Analyzer

Operational Theory 2

Figure 2-5: Block Diagram of the Model 3020T Electronics

Teledyne Analytical Instruments

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Contents Teledyne Analytical Instruments Model 3020TCopyright 1999 Teledyne Analytical Instruments Model 3020TIii Trace Oxygen AnalyzerSpecific Model Information 3020T-ITable of Contents Introduction InstallationOperational Theory Operation MaintenanceAppendix Trace Oxygen Analyzer Introduction Main Features of the AnalyzerOverview Typical ApplicationsModel 3020T Model DesignationsTrace Oxygen Analyzer Introduction Operator Interface Model 3020T Controls, Indicators, and Connectors1 UP/DOWN Switch ESCAPE/ENTER SwitchPWD Recognizing Difference Between LCD Electrical Connector PanelEquipment Interface DisplaysRemote Valves RS-232 PortGas Connector Panel Remote SensorNetwork I/O Optional Operational Theory Introduction Micro-Fuel Cell SensorPrinciples of Operation Anatomy of a Micro-Fuel Cell Operational Theory+ 2H 2O + 4e → 4OH Electrochemical ReactionsEffect of Pressure Calibration CharacteristicsSample System Characteristic Input/Output Curve for a Micro-Fuel CellSpan Zero Sample Electronics and Signal ProcessingBlock Diagram of the Model 3020T Electronics Temperature Control Trace Oxygen Analyzer Installation Unpacking the AnalyzerMounting the Analyzer Front View of the Model 3020T Simplified Required Front Door Clearance Electrical ConnectionsPrimary Input Power Fuse InstallationAnalog Outputs Analog Output Connections ExamplesRange Voltage Current mA Alarm RelaysTypes of Relay Contacts Digital Remote Cal InputsZero Network I/O Range ID Relays8 RS-232 Port RS-232 Sig RS-232 Pin PurposeCommand Description Parameter SettingRemote Sensor and Solenoid Valves Remote Solenoid Return Connector Pinouts Installing the Micro-Fuel CellGas Connections Gas Connector Panel Testing the System Using the Controls Trace Oxygen Analyzer OperationAuto Ranging on Analysis Mode Setup ModeMode/Function Selection Trace Oxygen Analyzer Data Entry EnterEscape Trace Oxygen Analyzer Operation AUTO-CALFunction PWD Password FunctionEntering the Password Only one password can be definedInstalling or Changing the Password Version Screen Logout FunctionZero and Span Functions Trace Oxygen Analyzer Operation SELF-TESTFunctionZero Cal Auto Mode ZeroingManual Mode Zeroing Auto Mode Spanning Cell FailureSpan Cal Manual Mode Spanning Installation Alarms FunctionAL-1 AL-2 Choose Alarm Range Function Setting the Analog Output RangesFixed Range Analysis Standby Function Contrast FunctionAnalysis Mode Operation Trace Oxygen Analyzer Maintenance Routine MaintenanceMajor Internal Components Major Internal Components Cell ReplacementWhen to Replace a Cell Storing and Handling Replacement CellsRemoving the Micro-Fuel Cell Exploded View of Cell Block and Micro-Fuel Cell Installing a New Micro-Fuel Cell Fuse Replacement Cell WarrantyL-2C cell is not designed for applications where CO2 is a Removing Fuse Cap and Fuse from Holder System Self Diagnostic TestPower AnalogPreamp Maintenance Trace Oxygen Analyzer Appendix SpecificationsOperating Temperature 0-50 C Qty Part Number Description Recommended 2-Year Spare Parts ListDrawing List Series Analyzers Restrictor KIT Conversions