Delta NANOTRACE DF-745 Instruction Manual Page 6

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2 DF-745 Table of Contents
7.4.3 Calibrate Menu........................................................................................ 38
7.4.4 Data History Routine ............................................................................... 42
7.4.5 Data Downloader Routine........................................................................ 44
7.4.6 View Logs Menu ..................................................................................... 46
7.4.7 Analyzer Setup ........................................................................................ 49
7.4.8 Analog Output Setup ............................................................................... 55
7.4.9 Graph Setup ............................................................................................ 56
7.4.10 Diagnostics Menu ................................................................................ 56
7.4.11 Adjust Contrast.................................................................................... 62
7.4.12 Power Up Default Optional ............................................................... 63
7.4.13 Date/Time............................................................................................ 64
7.4.14 Communications.................................................................................. 65
7.4.15 Download System Data ........................................................................ 65
7.4.16 System Info.......................................................................................... 67
8 Sample Gas Preparation and Delivery................................. 69
8.1 Introduction.......................................................................................................... 69
8.2 Sample Flow Rate and Pressure ............................................................................ 69
8.3 Flow Rate Effects on Sensor Performance............................................................. 69
8.4 Sample Gas Scale Factor ...................................................................................... 69
8.4.1 Background Gas Effects on Indicated Flow Rate...................................... 69
8.5 Flammable Sample Gas ........................................................................................ 70
9 Service.................................................................................... 71
9.1 Return Material Authorization number ................................................................. 71
9.2 Maintenance......................................................................................................... 71
9.2.1 Storage Conditions .................................................................................. 71
9.2.2 Moisture Cell Maintenance...................................................................... 71
9.2.3 Vacuum Pump Maintenance.................................................................... 71
9.3 Replaceable Parts List........................................................................................... 73
9.4 Troubleshooting the DF745 NanoTrace Analyzer ............................................... 75
10 Theory of Operation .............................................................. 77
10.1 The Moisture Measurement................................................................................. 77
10.1.1 Moisture and the IR Spectrum.............................................................. 77
10.1.2 Absorption Spectroscopy...................................................................... 78
11 Safety...................................................................................... 79
11.1 General Warnings............................................................................................... 79
12 Warranty ................................................................................. 81
13 Index ....................................................................................... 83
14 Appendix A User Menu Screens........................................ 85
15 Appendix B Hydrogen Service Safety System................. 89
15.1 Instrument .......................................................................................................... 89
15.2 Vacuum Pump .................................................................................................... 89
15.3 Installation.......................................................................................................... 89
15.4 Operation............................................................................................................ 90
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