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Teledyne 3000TA-XL-EU, Trace Oxygen Analyzer operating instructions 4-14

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4 Operation Model 3000TA-XL-EU

4-14 Teledyne Analytical Instruments

4.4.2 Span Cal

The Span button on the front panel is used to span calibrate the ana-

lyzer. Span calibration can be performed using the automatic mode, where

an internal algorithm compares consecutive readings from the sensor to

determine when the output matches the span gas concentration. Span cali-

bration can also be performed in manual mode, where the operator deter-

mines when the span concentration reading is acceptable and manually exits

the function.

4.4.2.1 Auto Mode Spanning

Press Span to enter the span function. The screen that appears allows

you to select whether the span calibration is to be performed automatically or

manually. Use the ΔΔ

ΔΔ

Δ∇ arrow keys to toggle between AUTO and MAN span

settling. Stop when AUTO appears, blinking, on the display.

Span: Settling: AUTO

<ENT> For Next

Press Enter to move to the next screen.

Calib. Holding time

Cal hold: 5 min

This menue allows the operator to set the time the analyzer should be

held in the AUTO span mode, after the readings of the analyzer settle. Five

minutes is the default, but it could be adjusted anywhere from 1 to 60 min-

utes by using the UP or DOWN keys.

Press Enter to move to the next screen.

Span Val: 000008.00

<ENT>Span <UP>Mod #

Use the ΔΔ

ΔΔ

Δ∇ arrow keys to enter the oxygen-concentration mode. Use

the < > arrow keys to blink the digit you are going to modify. Use the ΔΔ

ΔΔ

Δ∇

arrow keys again to change the value of the selected digit. When you have

finished typing in the concentration of the span gas you are using, press

Enter to begin the Span calibration.

#### ppm Span

Slope=#### ppm/s

The beginning span value is shown in the upper left corner of the

display. As the span reading settles, the screen displays and updates informa-

tion on Slope. Spanning automatically ends when the span output corre-

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