Teledyne Model 2010B 5.5 Major Internal Components

Thermal Conductivity Analyzer Part I: Control Unit

Part I 5-3

Teledyne Analytical Instruments

Figure 5-1: Removing Fuse Cap and Fuse from Holder

3. Replace fuse by reversing process in step 1.

Remove Power to the instrument before changing fuses.

5.5 Major Internal Components

The Interconnection Panel and the Front Panel PCBs are accessed by

unlatching and swinging open the front door, as described earlier.

WARNING: SEE WARNINGS ON THE TITLE PAGE OF THIS

MANUAL.

The 2010B Control Unit contains the following major components:

• Power Supply

• Preamp and Motherboard with Microcontroller

• Display Board and Displays

5 digit LED meter

2 line, 20 character, alphanumeric, VFD

• Rear Panel Board.

Contents

Main i Thermal Conductivity Analyzer OPERATING INSTRUCTIONS FOR Model 2010B Thermal Conductivity Analyzer DANGER P/N M70845 11/22/00 ECO # 00-0517 2010B Teledyne Analytical Instrumentsii Model 2010B Copyright 1998 Teledyne Analytical Instruments Page Teledyne Analytical Instrumentsiv Model 2010B Specific Model Information Page Alarms Range Page COMBUSTIBLE GAS USAGE WARNING DANGER Introduction 1.1 Overview 1.2 Typical Applications 1.3 Main Features of the Analyzer 1.4 Model Designations 1.5 Operator Interface (Front Panel) Page 1.6 Recognizing Difference Between LCD & VFD 1.7 Equipment Interface (Rear Panel) Page Page Page Operational Theory 2.1 Introduction 2.2 Sensor Theory Page 2.3 Electronics and Signal Processing 2-4 Part I 2 Operational Theory Model 2010B Figure 2-2: Block Diagram of the Model 2010B Electronics removing the back panel. Figure 2-2 is a block diagram of the Analyzer electronics. Central Processing Unit (CPU) 2.4. Temperature Control Page Installation 3.1 Unpacking the Analyzer 3.2 Mounting the Control Unit Page 3.3 Electrical Connections (Rear Panel) Page Page Page I/O Page +15V Switching Ground 3.4 Testing the System 3.5 Warm Up at Power Up Page Operation 4.1 Introduction 4.2 Using the Data Entry and Function Buttons Analyze. System. Oblique Range. Alarms. Thermal Conductivity Analyzer Part I: Control Unit Figure 4-1: Hierarchy of Functions and Subfunctions Part I 4-3 System (Refer to Section 1.6) System 4.3 The Function Page Page Page Page Page Page Zero Span and 4.4 The Functions Page Page Page Page Alarms 4.5 The Function Page Range 4.6 The Select Function Range Enter. Page Analyze 4.7 The Function 4.8 Programming Page Page Page Page Page 4.9 Special Function Setup Page Page Maintenance 5.1 Routine Maintenance 5.2 System Self Diagnostic Test 5.3 VFD Display 5.4 Fuse Replacement 5.5 Major Internal Components 5.6 Cleaning 5.7 Phone Numbers OPERATING INSTRUCTIONS Model 2010B Thermal Conductivity Analyzer Part II: Analysis Unit Page Teledyne Analytical Instruments Part II: 1-1 Introduction 1.1 Overview 1.2 Connections Page Teledyne Analytical Instruments Part II: 1-3 Page Teledyne Analytical Instruments Part II: 2-1 Installation 2.1 Unpacking the Analysis Unit 2.2 Mounting the Analysis Unit Page Teledyne Analytical Instruments Part II: 2-3 2-4 Pressure and Flowrate Regulation 2-5 VENT Exhaust 2 Installation Model 2010B 2-6 SAMPLE Gas 2-7 REFERENCE Gas Teledyne Analytical Instruments Part II: 2-5 2-8 ZERO Gas 2-9 SPAN Gas 2-10 Electrical Connector Panel 2 Installation Model 2010B Teledyne Analytical Instruments Part II: 2-7 2-11 Signal Wiring Recommendations 2-12 Testing the System Page Operation 3.1 System Self Diagnostic Test 3 Operation Model 2010B 3.2 Cell Failure Checks Teledyne Analytical Instruments Part II: 4-1 Maintenance 4.1 Routine Maintenance 4.2 Major Components Page Teledyne Analytical Instruments Part II: 4-3 4.4 System Self Diagnostic Test 4 Maintenance Model 2010B 4.5 Cell, Heater, and/or Thermistor Replacement Page 4 Maintenance Model 2010B Teledyne Analytical Instruments Part II: 4-7 Page OPERATING INSTRUCTIONS Models 2010B Thermal Conductivity Analyzer Appendix Page Teledyne Analytical Instruments A-3 Thermal Conductivity Analyzer Appendix Appendix A-1 Specifications Appendix Model 2010B Teledyne Analytical Instruments A-5 Thermal Conductivity Analyzer Appendix A-2 Recommended 2-Year Spare Parts List