Teledyne 3000PA 2-9

2-9

Percent Oxygen Analyzer Operational Theory 2

Teledyne Analytical Instruments

The signal processing electronics including the microprocessor, analog

to digital, and digital to analog converters are located on the motherboard at

the bottom of the case. The preamplifier board is mounted on top of the

motherboard as shown in the figure. These boards are accessible after re-

moving the back panel. Figure 2-7 is a block diagram of the Analyzer

electronics.

Figure 2-7: Block Diagram of the Model 3000P Electronics

Contents

Main i Percent Oxygen Analyzer Teledyne Analytical Instruments Model 3000 DANGER Percent Oxygen Analyzer ii Model 3000PA Teledyne Analytical Instruments Copyright 1999 Teledyne Analytical Instruments Page iv v Alarms vi 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 Page 1-4 1-5 1.6 Recognizing Difference Between LCD & VFD 1.7 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 2-6 2.3 Sample System 2-7 2-8 2.4 Electronics and Signal Processing 2-9 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 3.4 Installing the Micro-Fuel Cell 3.5 Testing the System 4-1 Operation 4.1 Introduction 4-2 4.2 Using the Data Entry and Function Buttons Range. Alarms. Span. System 4.3 The Function 4-4 4-5 ON OFF 4-6 4-7 4-8 4-9 Span 4-10 4.4 The Functions 4-11 Alarms 4-12 4.5 The Function 4-13 4-14 Range 4-15 4.6 The Function 4-16 Analyze 4-17 4.7 The Function Ana- lyze 4-18 5-1 Maintenance 5.1 Routine Maintenance 5.2 Cell Replacement 5-2 5-3 Page 5-5 5-6 5.3 Fuse Replacement 5.4 System Self Diagnostic Test 5-7 5.5 Major Internal Components WARNINGS:See warnings on the title page of this manual. Page 5-9 5.7 Troubleshooting Problem: Problem: Page A-1 Appendix A-1 Model 3000PA Specifications A-2 A-3 A-2 Recommended 2-Year Spare Parts List Page A-5 3000 SERIES ANALYZERS A-5 A-6 A-7 A-8 A-6 Zero Cal Auto Mode Zeroing Manual Mode Zeroing A-9