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Teledyne 3000TA-XL-EU, Trace Oxygen Analyzer operating instructions 5-2

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5 Maintenance Model 3000TA-XL-EU

5-2 Teledyne Analytical Instruments

WARNING: THE SENSOR USED IN THE MODEL 3000TA-XL

TRACE OXYGEN ANALYZER USES ELECTRO-

LYTES WHICH CONTAIN TOXIC SUBSTANCES,

MAINLY LEAD AND POTASSIUM HYDROXIDE,

THAT CAN BE HARMFUL IF TOUCHED, SWAL-

LOWED, OR INHALED. AVOID CONTACT WITH ANY

FLUID OR POWDER IN OR AROUND THE UNIT.

WHAT MAY APPEAR TO BE PLAIN WATER COULD

CONTAIN ONE OF THESE TOXIC SUBSTANCES. IN

CASE OF EYE CONTACT, IMMEDIATELY FLUSH

EYES WITH WATER FOR AT LEAST 15 MINUTES.

CALL PHYSICIAN. (SEE APPENDIX, MATERIAL

SAFETY DATA SHEET.)

CAUTION: Do not disturb the integrity of the cell package until

the cell is to actually be used. If the cell package is

punctured and air is permitted to enter, the cell will

require an excessively long time to reach zero after

installation (1-2 weeks!).

5.2.2 When to Replace a Cell

Cell failure in the 3000TA-XL is usually characterized by a significant

increase in the zero offset of more than 1.0 ppm oxygen or the inability to

calibrate the sensor. When this occurs, the 3000TA-XL will still Zero but the

system alarm trips, and the LCD displays a failure message.

#.# ppm Anlz

CELL FAIL/ ZERO HIGH

Before replacing the cell:

a. Check your span gas to make sure it is within specifications.

b. Check for leaks up-stream from the cell, where oxygen may be

leaking into the system.

If there are no leaks and the span gas is within specification, replace the

cell.

5.2.3 Removing the Micro-Fuel Cell

The Micro-Fuel cell is located inside the stainless steel cell block behind

the front panel (see Figure 5-1). To remove an existing cell:

Contents

Main i Trace Oxygen Analyzer OPERATING INSTRUCTIONS FOR Model 3000TA-XL-EU Trace Oxygen Analyzer DANGER ii Model 3000TA-XL-EU Copyright 1999 Teledyne Analytical Instruments Page iv v vi Page viii COMBUSTIBLE GAS USAGE WARNING DANGER 1-1 Introduction 1.1 Overview 1.2 Typical Applications 1.3 Main Features of the Analyzer 1-2 1.4 Model Designations 1-3 1.5 Front Panel (Operator Interface) 1-4 1-5 1.6 Rear Panel (Equipment Interface) 1-6 2-1 Operational Theory 2.1 Introduction 2.2 Micro-Fuel Cell Sensor 2-2 2-3 2-4 2-5 2.3 Sample System 2-6 TOP RIGHT SI D E 2-7 2-8 2.4 Electronics and Signal Processing Page 2-10 3-1 Installation 3.1 Unpacking the Analyzer 3.2 Mounting the Analyzer 3-2 3.3 Rear Panel Connections 3-3 3-4 3-5 3-6 3-7 3-8 3-9 3-10 3-11 3.4 Installing the Micro-Fuel Cell 3.5 Testing the System 3-12 4-1 Operation 4.1 Introduction 4-2 4.2 Using the Data Entry and Function Buttons 4-3 4.3 The System Function 4-4 4-5 4-6 4-7 4-8 4-9 4-10 4-11 4.4 Calibration of the Analyzer 4-12 4-13 4-14 4-15 4-16 4.4.3 Span Failure 4.5 Switching of Sample Streams 4-17 4.6 The Alarms Function 4-18 4-19 4.7 The Range Function 4-20 4-21 4.8 The Analyze Function 4.9 Signal Output 4-22 5-1 Maintenance 5.1 Routine Maintenance 5.2 Cell Replacement 5-2 5-3 5-4 5-5 5.3 Fuse Replacement 5-6 5.4 System Self Diagnostic Test 5.5 Major Internal Components Page 5-8 5.7 Troubleshooting Problem: Problem: A-1 Appendix A-1 Specifications A-2 A-3 A-2 Recommended 2-Year Spare Parts List Page A-5 3000XL SERIES ANALYZERS Page Page A-8 A-6 Material Safety Data Sheet Section III Physical/Chemical Characteristics Section I Product Identification Section II Hazardous Ingredients/Composition A-9 Trace Oxygen Analyzer Appendix Section VI Health Hazard Data Section IV Fire and Explosion Hazard Data Section V Reactivity Data A-10 Section VII Precautions for Safe Handling and Use Protective measures during cell replacement: A-11 Trace Oxygen Analyzer Appendix Section VIII Control Measures Section IX Disposal Section X References A-12 A7 - Installling and Replacing a new Insta-Trace Micro-fuel Cell Read completely before beginning the procedure