Teledyne 3000ZA operating instructions Version Screen, Showing Negative Oxygen Readings

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Operation	3000ZA

TRAK/HLD Auto—Cal

PSWD Logout More

Use the __ arrow keys to blink More, then press Enter.

Version Self—Test

Use the __ arrow keys again to move the blinking to the Self–Testfunction. The screen will follow the running of the diagnostic.

RUNNING DIAGNOSTIC

Testing Preamp — 83

During preamp testing there is a countdown in the lower right corner of the screen. When the testing is complete, the results are displayed.

Power: OK Analog: OK

Preamp: 3

The module is functioning properly if it is followed by OK. A number indicates a problem in a specific area of the instrument. Refer to Chapter 5 Maintenance and Troubleshooting for number-code information. The results screen alternates for a time with:

Press Any Key

To Continue...

Then the analyzer returns to the initial System screen.

4.3.6Version Screen

Move the __ arrow key to More and press Enter. With Version blinking, press Enter. The screen displays the manufacturer, model, and software version information.

4.3.7 Showing Negative Oxygen Readings

For software version 1.4.4 or later, the instrument only displays oxygen readings that are positive or zero. The instrument can be reconfigured to show negative readings if sensor output drifts below zero. This situation may arise after the instrument has been zeroed. As time progresses, the sensor may drift below the zero calibration setpoint.

To show negative oxygen readings on the display: Press the System key

Teledyne Analytical Instruments

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Contents Model 3000ZA 3000ZA Specific Model Information Important Notice Safety Messages 3000ZA Vii Table of Contents Maintenance OperationAppendix IndexList of Figures Model 3000ZA Front PanelList of Tables Overview Main Features of the AnalyzerIntroduction Typical ApplicationsModel Designations Introduction 3000ZAFront Panel Operator Interface Model 3000ZA Front PanelIntroduction 3000ZA Rear Panel Equipment Interface Model 3000ZA Rear PanelPower Connection Universal AC power source Scheduled calibrations can vary 2-3 % per day ZrO2 Sensor Operational TheoryIntroduction Principles of OperationSample System Model 3000ZA Sample SystemElectronics and Signal Processing Zirconium Oxide Sensor Application NotesTrace Oxygen Analyzer Operational Theory Component Location Electronic Block Diagram Mounting the Analyzer InstallationUnpacking the Analyzer Trace Oxygen Analyzer Installation Rear Panel Connections Gas ConnectionsSample Primary Input Power Electrical ConnectionsEquipment Interface Connector Pin Arrangement Analog Output Connections Alarm Relay Contact Pins Remote Calibration Connections Range ID Relay Connections Remote Probe Connections Commands via RS-232 Input 2.3 RS-232 PortInstalling the Zirconium Oxide Sensor Testing the SystemTrace Oxygen Analyzer Installation Operation Using the Data Entry and Function Buttons Hierarchy of Available Functions System Function TRAK/HLD Auto-Cal Pswd Logout More Setting up an Auto-Cal Password Protection Pswd Restrictions Removed Retype PWD To Verify System Self-Diagnostic Test LogoutVersion Screen Showing Negative Oxygen ReadingsZero and Span Functions Zero Cal Zero Settling Man ENT To Begin Span Cal #### ppm Span Slope=#### ppm/s Span Failure Alarms Function AL-1 AL-2 Choose Alarm Setting the Analog Output Ranges Range FunctionFixed Range Analysis Signal Output Analyze FunctionRange ID Output Voltage Page Cell Replacement MaintenanceRoutine Maintenance Removing the SensorFuse Replacement Trace Oxygen Analyzer MaintenanceSystem Self Diagnostic Test Installing FusesMajor Internal Components Rear Panel Removal Remove only those screws marked with anCleaning TroubleshootingIf erratic behavior Specifications AppendixTrace Oxygen Analyzer Appendix Recommended 2-Year Spare Parts List Drawing List 19-inch Relay Rack Panel MountApplication Notes Flow Rate RecommendationsBY-PASS Conversions PSI Scfh = 0.476 Slpm Index Trace Oxygen Analyzer Index Relay connections, 22 relay contacts Trace Oxygen Analyzer Index Teledyne Analytical Instruments