Teledyne 2120 - Trace Nitrogen in Argon Analyzer - Manual (Page 6)

Model 2120
3.2 Choosing a Location 20
3.3 Mounting 20
3.4 Electrical Connections 21
3.5 Gas Connections 22
3.5.1 Typical Sample System 23
3.5.2 Gas Connections to the Instrument 25
3.6 Purging 25
3.7 Calibration 26
3.8 Installation Checklist 27
Operation ..................................................................................... 29
4.1 Powering Up the Analyzer 30
4.2 Zero and Span Calibration 31
4.2.1 Before Calibration 31
4.2.2 Recommended Calibration Gases 31
4.2.3 Calibration Steps 32
4.3 Reading and Recording Data 33
4.4 Overrange Protection Circuit 34
Maintenance ................................................................................ 37
5.1 Routine Maintenance 37
5.2 Routine Maintenance Schedule 37
5.3 Troubleshooting 38
5.4 Parts Replacement and Testing Guide 41
5.4.1 Voltage Selection and Fuse Changing 42
5.4.2 Optical Filter 43
5.4.3 Low Flow Switch 44
5.4.4 Control Relay 44
5.4.5 Analytical Cell 45
5.4.6 Photomultiplier Tube 46
5.4.7 High Voltage Plate Adjustment 47
5.4.8 High Voltage Transformer 47
5.4.9 Amplifier Board 48
5.4.10 Hamamatsu PMT High Voltage Supply 48
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Teledyne Analytical Instruments