Manual

Model 2750
Teledyne Analytical Instruments vi
Table of Contents
Safety Messages .......................................................................... iv
Table of Contents ......................................................................... vi
List of Figures ............................................................................. viii
List of Tables ................................................................................ ix
Introduction ................................................................................. 11
1.1 Overview 11
1.2 Analysis Ranges 11
1.3 Enclosure 12
1.4 Connections 13
1.5 Operator Interface 14
Theory of Operation ................................................................... 15
2.1 Thermal Conductivity 15
2.2 Electronics 17
Installation ................................................................................... 19
3.1 Electrical Connections 19
3.2 Gas Connections 20
3.2.1 Vent Line 21
3.2.2 Pressure Regulation 21
3.3 Calibration 22
3.3.1 Zero Calibration Procedure 23
3.3.2 Span Calibration Procedure 26
Setup and Operation ................................................................... 31
4.1 Setup 31
4.2 Operation 32