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Teledyne Analytical Instruments
Model OT-2 System
Table of Contents
1 Introduction
1.1 Overview ........................................................................ 1-1
1.2 Features .......................................................................... 1-1
1.3 Typical Applications ...................................................... 1-2
1.4 Operator Interface ....................................................... 1-3
2 Operational Theory
2.1 Introduction ................................................................... 2-1
2.2 Micro-Fuel Cell Sensor .................................................. 2-2
2.2.1 Principles of Operation .......................................... 2-2
2.2.2 Anatomy of a Micro-Fuel Cell............................... 2-2
2.2.3 Electrochemical Reactions................................... 2-4
2.2.4 The Effect of Pressure ............................................. 2-5
2.2.5 Calibration Characteristics ................................... 2-6
2.3 Electronics and Signal Processing............................... 2-7
2.4 Oxygen Cell Block Heater............................................ 2-7
2.5 EMI/RFI Protection .........................................................2-7
2.5 Sample System .............................................................. 2-8
3 Operation
3.1 Installation ...................................................................... 3-1
3.1.1 Unpacking the System ......................................... 3-1
3.1.2 Mounting the System ........................................... 3-2
3.1.3 System Connections............................................. 3-3
3.1.3.1 Gas Connections................................... 3-3
3.1.3.2 Electrical Connections.......................... 3-4
3.2 Installing the Micro-Fuel Cell........................................ 3-6
3.3 Calibration ..................................................................... 3-6
3.3.1 Calibration Gas Connections ............................. 3-6
3.3.2 Setting the Span....................................................3-8
3.3.3 H2S Scrubber ......................................................... 3-9
3.3.4 Exhaust/Vent Line.................................................. 3-9
3.4 Testing the System......................................................... 3-9
4 Maintenance
4.1 Routine Maintenance .................................................. 4-1
4.2 Cell Replacement.........................................................4-1
4.2.1 Cell Warranty ......................................................... 4-2
4.3 Scrubber Replacement ............................................... 4-3
4.4 Filter Servicing ................................................................ 4-3