Delta Faucet DF-745 Manuel D’Utilisation
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
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
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 DF–745 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