Agilent Technologies 7890 Series Advanced Operation Manual page 213

Agilent 7890 Series Gas Chromatograph
Advanced Operation Manual
6
Valves
About Valves 214
The Valve Box 215
Heating the valves 215
Valve temperature programming
Configuring an Aux thermal zone
Valve Control 217
The valve drivers 217
The internal valve drivers
The external valve drivers
Valve Types 219
Configuring a Valve 220
Controlling a Valve 221
From the keyboard 221
From the run or clock time tables
Simple valve: column selection
Gas sampling valve
Multiposition stream selection valve with sampling valve
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