Teledyne 2000A-EU, Operating Instructions Manual, Page: 5 / 86

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Thermal Conductivity Analyzer
Table of Contents
1 Introduction
1.1 Overview ........................................................................ 1-1
1.2 Typical Applications ....................................................... 1-2
1.3 Main Features of the Analyzer ....................................... 1-2
1.4 Model Designations ....................................................... 1-3
1.5 Front Panel (Operator Interface) ..................................... 1-3
1.6 Recognizing Difference Between LCD & VFD ............... 1-5
1.7 Rear Panel (Equipment Interface) .................................. 1-5
1.8 Gas Connections ........................................................... 1-7
2 Operational Theory
2.1 Introduction .................................................................... 2-1
2.2 Sensor Theory ............................................................... 2-1
2.2.1 Sensor Configuration ............................................... 2-1
2.2.2 Calibration ............................................................... 2-2
2.2.3 Effects of Flowrate and Gas Density ........................ 2-3
2.2.4 Measurement Results .............................................. 2-3
2.3 Electronics and Signal Processing ................................ 2-3
2.4 Temperature Control ...................................................... 2-5
3 Installation
3.1 Unpacking the Analyzer ................................................. 3-1
3.2 Mounting the Analyzer ................................................... 3-1
3.3 Electrical Connections (Rear Panel) .............................. 3-3
3.3.1 Primary Input Power ............................................... 3-4
3.3.2 Primary Input Power ............................................... 3-4
3.3.3 50-Pin Equipment Interface Connector .................. 3-4
3.3.3.1 Analog Outputs .............................................. 3-5
3.3.3.2 Alarm Relays ................................................. 3-6
3.3.3.3 Digital Remote Cal Inputs .............................. 3-7
3.3.3.4 Range ID Relays ........................................... 3-9
3.3.3.5 Network I/O .................................................... 3-9
3.3.3.6 Remote Valve Connector ............................... 3-9
3.3.4 RS-232 Port ........................................................... 3-10
3.4 Gas Connections ........................................................... 3-11
3.4.1 Sample System Design ......................................... 3-13
3.4.2 Pressure and Flow Rate Regulation ...................... 3-13
3.4.3 VENT Exhaust ....................................................... 3-14
3.4.4 SAMPLE Gas......................................................... 3-14