Teledyne 3000ZA-3X operating instructions Trace Oxygen Analyzer Maintenance

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Trace Oxygen Analyzer	Maintenance

	Atmospheric oxygen	Increase flow rate
	diffusing through vent	and/or length of vent
	and altering the	tubing to dilute or
	oxygen level the	minimize oxygen
	sensor sees	diffusion from vent to
		sensor.
Inaccurate zero		Turn analyzer off,
operation (i.e. user has		then back on again.
zeroed the instrument		Press the UP and
using a gas concen-		DOWN key
tration much higher		simultaneously while
than normal for a zero		the instrument is
gas).		doing the warm up
		count down.
		Press the ENTER to
		confirm returning the
		analyzer to factor
		defaults.
		Re-span each of the
		sensors without doing
		the zero.
		If the analyzer seems
		to be working Ok, up
		to this point, retry to
		zero.


Teledyne Analytical Instruments	51

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Contents Model 3000ZA-3X 3000ZA-3X Specific Model Information Important Notice Safety Messages 3000ZA-3X Vii Table of Contents Testing the System Appendix MaintenanceModel 3000ZA Rear Panel Model 3000ZA Front PanelXii List of TablesTypical Applications Main Features of the AnalyzerIntroduction OverviewIntroduction 3000ZA-3X Model DesignationsModel 3000ZA Front Panel Front Panel Operator InterfaceAlphanumeric Interface Screen Function KeysData Entry Keys Digital Meter DisplayAccess Door Rear Panel Equipment InterfaceStandby Button Optional ∙ 50-Pin Equipment Interface PortPrinciples of Operation Operational TheoryIntroduction ZrO2 SensorOperational Theory 3000ZA-3X Sample SystemZirconium Oxide Sensor Application Notes Electronics and Signal ProcessingOperational Theory 3000ZA-3X Component Location Electronic Block Diagram Installation Unpacking the AnalyzerMounting the Analyzer Installation 3000ZA-3X Gas Connections Rear Panel ConnectionsInstallation3000ZA-3X Electrical Connections Zero in and Span in OptionalEquipment Interface Connector Pin Arrangement Analog Output Connections Threshold AlarmAlarm Relay Contact Pins System AlarmRemote Calibration Connections Range ID Relay Connections Remote Probe Connections 2.3 RS-232 Port FET Series ResistanceCommands via RS-232 Input Testing the System Installing the Zirconium Oxide SensorsOperation Using the Data Entry and Function Buttons Style ConventionsKeys Description Escape EnterMenu/Screen Structure Analyze ScreenSystem Menu Hierarchy of Available Functions Enter New Password T a Password routineEnter Password T a Change PasswordModel Routine Logout RoutineAnalog-Out Adjust Routine Self-Test RoutineFilter Routine 20mA Gain 20mA Limit False Track in Cal Yes Auto-Calibration Timer Span MenuChange Stream Span Timer Span SensorSpan Value Span Begin Begin Span? Span FinishSpan Auto Finish Span BeginZero Menu Zero FinishZero Value Zero Begin Begin Zero? Zero TimerZero Timer 7 min Zero BeginAL-1 NON-LATCHING AL-1 20.00 ppm AL-2 Active Alarms MenuAlarm Active Alarm PolarityAL-1 80.00 ppm Alarm FailsafeAlarm Latching Alarm SetpointRange Menu Range SelectRange Select Auto Range Setpoints Manual Range SelectRemoving the Sensor MaintenanceRoutine Maintenance Sensor ReplacementMaintenance 3000ZA-3X Sensor Block with Middle Sensor Installed Fuse Replacement Self-Test Result Display System Self Diagnostic TestRear Panel Removal Remove only those screws marked with an Major Internal ComponentsTroubleshooting CleaningTrace Oxygen Analyzer Maintenance Maintenance 3000ZA-3X Teledyne Analytical Instruments Appendix SpecificationsOperating Temperature 5-35 C Qty Part Number Description Recommended 2-Year Spare Parts List19-inch Relay Rack Panel Mount Drawing ListFlow Rate Recommendations Application NotesRestriction Devices BY-PASS Conversions