Agilent 7820 GC Service
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Record the serial number located on the side of the detector.
(Example TCD and FID labels shown, other detectors are
similar.)
Locate the disk (CD) that came with the new detector. You will
need it to upload the new detector's frit data into the GC.
Start Instrument Utility (version B.01.06 or greater), go to
Firmware Update > Frit Constants, and connect to the GC.
Use the software to upload the new frit constants. For details,
follow the software online help.
When prompted, reboot the GC.
Perform a checkout test to confirm that the correct frit values
were updated.
You have changed the configuration of the GC. See Changing
the GC Configuration ( 167) for important information regarding
GC methods.
Check GC configuration
Oven Type
Gas types
Heater assignments: valve box, others
Valve types
If the configuration includes non-Agilent components or
specials, you may need to re-enter custom heater or
pneumatic PIDs.
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