Agilent 990 Micro GC User Manual 15
2 Instrument Overview
Principle of Operation 16
Front View 17
Rear View 19
Communication Ports 23
Connecting a Channel Extension Cabinet 24
Carrier Gas Connection 26
Power 27
Ambient Pressure 29
Ambient Temperature 29
Maximum Operation Altitude 29
Micro GC Cycle with Constant Pressure 30
Micro GC Cycle with Ramped Pressure 31
The Agilent 990 Micro GC uses GC channels, each of which consists of a Dynamic Electronic Gas
Control (DEGC) injector, column, and detector.
The Micro GC is a self-contained package with all of the normal GC components. It is a dual
channel cabinet (one or two GC channels). Two cabinets can be connected to form a quad
channel system (up to four GC channels). A computer with a chromatography data system (CDS)
is needed to complete the system.
This chapter provides a brief overview of the Agilent 990 Micro GC.
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