Contents
Jun 2001 1 of 24
Contents
Agilent 6890 Gas Chromatograph Service Manual
100 Before Servicing the Instrument
110 Safety
Cautions .......................................................................................................1
Printed circuit boards.........................................................................1
Voltage carrying components............................................................1
Columns................................................................................................1
TCD Detector.......................................................................................1
Warnings.......................................................................................................2
Heated components ............................................................................2
Voltage carrying components............................................................2
Insulation..............................................................................................3
Gases.....................................................................................................3
120 Tools Required
Tools required..............................................................................................1
Basic......................................................................................................1
Specialized ...........................................................................................2
130 Calibration Notes
Calibrating the 6890 GC..............................................................................1
Calibration options .............................................................................1
Factory calibrations............................................................................2
200 Inlets
210 Split/Splitless Inlet
Theory of operation ....................................................................................1
EPC inlet ......................................................................................................2
Split mode operation ..........................................................................2
Pulsed split mode ................................................................................2
Splitless mode......................................................................................3
Pulsed splitless mode .........................................................................4
Gas saver mode ...................................................................................4
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