Agilent Technologies 6890 Series - Default Chapter; Table of Contents

Contents
i
Chapter 1. The 6890 Series Gas Chromatograph
Manuals........................................................................................................................................2
Control tables..............................................................................................................................3
Using control tables ...................................................................................................................4
Some specifics ............................................................................................................................6
Gas control............................................................................................................................6
Columns ................................................................................................................................6
Inlets and detectors .............................................................................................................6
Signals ...................................................................................................................................6
Automation ...........................................................................................................................6
Methods and sequences ......................................................................................................6
Valves.....................................................................................................................................7
Strategy........................................................................................................................................8
Maintenance information ..........................................................................................................9
Fuses and batteries..............................................................................................................9
Maintenance schedule.......................................................................................................10
General warnings......................................................................................................................11
Many internal parts of the GC carry dangerous voltages .............................................11
Electrostatic discharge is a threat to GC electronics....................................................11
Many parts are dangerously hot.......................................................................................12
Shutting down the GC..............................................................................................................13
For less than one week .....................................................................................................13
For more than one week...................................................................................................13
Chapter 2. The Keyboard and Display
The display ................................................................................................................................17
The status board .......................................................................................................................20
The keyboard ............................................................................................................................21
Instant action keys [Start], [Stop], and [Prep Run] ..............................................................22
Function keys............................................................................................................................23
Short-cut keys [Temp], [Pres], [Flow], [Det Control], [Ramp #] ....................................24
[Temp], [Pres], and [Flow]................................................................................................24
[Det Control].......................................................................................................................25
[Ramp #]..............................................................................................................................26
[Info]...........................................................................................................................................27