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Jun 2001
Site Preparation
Agilent 6890 Gas Chromatograph Service Manual
Instrument Specifications 540
Inlets
Inlets
• Maximum inlets installed: two
• All inlets include septum purge
• Inlets available:
– Packed: electronic or manual pressure/flow, 400°C max
– Split/splitless: electronic or manual pressure/flow, 400° C max,
electronic entry of pressure or flow and split ratio with electronic
version
– Temperature-programmable cool on-column: electronic pressure/
flow, 450°C max
– Programmable temperature vaporizer, 450° C max
– Volatiles interface, 400° C max
• For electronic inlets:
– Pressure setting range: 0 to 100 psi
– Total flow setting range: split/splitless, 0 to 200 mL/min nitrogen,
0 to 1000 mL⁄ min hydrogen or helium
– Packed: 0 to 100 mL/min
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