Teledyne 3300TB Installing a Micro-Fuel Cell, Disconnect the Power Source from the Control Unit

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5 Maintenance

Model 3300TB

 

 

 

 

 

 

 

 

 

4.Slowly withdraw the cap from the block. The cell should come out with the cap.

5.Carefully pull the cell off of the cap. DO NOT TOUCH THE SCREENED END OF THE CELL OR ANY FLUID THAT MAY BE LEAKING FROM IT.

6.Dispose of the cell in a safe manner, in accordance with all applicable ENVIRONMENTAL AND SAFETY laws.

5.2.4 Installing a Micro-Fuel Cell

To install a new Micro-Fuel Cell:

CAUTION: Do not scratch, puncture, or otherwise damage the sensing membrane of the Micro-Fuel Cell. If the membrane is damaged, the cell must be replaced.

1. Disconnect the Power Source from the Control Unit.

2.Remove the new Micro-Fuel Cell from its protective bag.

3.Examine the O-ring at the base of the threaded portion of the cell- retainer cap, and replace it if it is worn of damaged.

4.Replace the cell on the end of cell-retainer cap, which is designed to fit snugly into the rim on the screen side of the cell.

5.Careful insert the cap and cell into the block, and screw the cap clockwise into the cell block until it is held firmly in the cell.

6.Reconnect the cell block electrical connector plug.

5.2.5 Cell Warranty Conditions

The B-2C Class Micro-Fuel cell is used in the Model 3300TB. These cells are warranted for 6 months, with an expected life of 8 months from the date of shipment (under specified operating conditions—see Appendix). Note any Addenda attached to the front of this manual for special information applying to yourinstrument.

Note that the warranty period begins on the date of shipment. The cus- tomer should stock only one spare cell per instrument at a time. Do not attempt to stockpile spare cells.

If a cell was working satisfactorily, but ceases to function before the warranty period expires, the customer will receive credit toward the purchase of a new cell.

5-4Teledyne Analytical Instruments

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Contents Model 3300TB Copyright 1999 Teledyne Analytical Instruments Contents Maintenance AppendixProtective Earth Combustible GAS Usage Warning Introduction Overview Main Features of the AnalyzerTrace Oxygen Analyzer Introduction Front Panel Description Set AlarmIntroduction Model 3300TB Rear Panel Description Rear PanelAnalog Outputs RS-232 PortTrace Oxygen Analyzer Operational Theory Operational Theory IntroductionMicro-Fuel Cell Sensor Principles of OperationOperational Theory Model 3300TB Anatomy of a Micro-Fuel CellElectrochemical Reactions Effect of PressureCalibration Characteristics Characteristic Input/Output Curve for a Micro-Fuel CellElectronics Signal ProcessingGeneral Operational Theory Model 3300TB Trace Oxygen Analyzer Installation InstallationUnpacking the Analyzer Installing the Micro-Fuel Cell / Cell Block Orientation Installation Model 3300TBControl Unit Installation Location and MountingElectrical Connectors for AC Control Unit Electrical ConnectionsContact ID for Failsafe Relay Operation Gas Connections Alarm #1Alarm #2 Sensor FailInstallation Model 3300TB Vacuum Service Option Piping Diagram for Vacuum Service OptionInstallation Checklist Installation Model 3300TB Operation Introduction Trace Oxygen Analyzer OperationSetting the Analysis Ranges Using the Function and Data Entry ButtonsOperation Model 3300TB Trace Oxygen Analyzer Operation HI Range Setting the Alarm SetpointsSet Alarm LO RangeSensor Fail Alarm Selecting a Fixed Range or Autoranging CalibrationSupplementary Information Displaying Percent & PPM on the LED DisplayOperation Model 3300 TB Remove Power to Unit before replacing the fuse MaintenanceTrace Oxygen Analyzer Maintenance Replacing the FuseWhen to Replace a Sensor Sensor Installation or ReplacementMaintenance Model 3300TB Ordering and Handling of Spare SensorsRemoving the Micro-Fuel Cell Exploded View of MFC and Cell BlockDisconnect the Power Source from the Control Unit Installing a Micro-Fuel CellCell Warranty Conditions Trace Oxygen Analyzer Maintenance Maintenance Model 3300TB Appendix Specifications Trace Oxygen Analyzer AppendixSpare Parts List Appendix Model 3300TBReference Drawing MiscellaneousAppendix Model 3300TB Material Safety Data Sheet Exposure limits Osha PEL Signs/symptoms of exposurePrimary route of entry Effects of overexposure IngestionProtective measures Disposal