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Contents

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

Agilent Technologies 6890 Series User Manual

Other manuals for Agilent Technologies 6890 Series