Agilent Technologies 6850 Series II User Information page 56

GC setup
Warning If the unit has been in operation, areas may be hot enough to cause serious
burns. Switch off the heated zones and the oven and allow sufficient time for
the unit to cool.
1.
2.
3.
ChemStation setup
1.
Path
View/Run Method/Control View/Instrument/
Edit Parameters/Options
View/Run Method/Control View/Instrument/
Edit Parameters/Signals
2.
Released: March 2004
If you are using a split/splitless inlet, install a new septum, a new split
liner, and a new O-ring seal in the inlet. See
on page 120.
If you are using a purged packed inlet, install a new liner and glass insert
for the checkout column. Also install a new septum and O-ring. See
"Changing septa" on page 121
If you are using a cool on-column inlet, install a new septum, then check
for a proper fit of the needle in the column. See
page 121 and "Cleaning the inlet" on page
If you are using a PTV inlet with the septum head, install a new septum or
microseal, inlet adapter, silver seal, and glass liner. See
on page 121, "Replacing liners" on page
adapter" on page 150.
If you are using a PTV inlet with the septumless head, clean the head and
replace the Teflon ferrule and glass liner. See
head" on page 152,
"Replacing liners" on page
Install the 6850 evaluation column.
If present, remove the protective cap from the TCD exhaust vent at the top
of the detector and the caps on the inlet manifold vent(s).
Bring up the proper on-line instrument for the 6850 to be tested. Make
these settings:
Enter the parameter values listed in
6850 Series II GC User Information
and "Changing the O-ring" on page
"Replacing the Teflon ferrule" on page
157.
Setting
Keep instrument keyboard locked after method is
loaded? = No
Assign Signal 1 to the detector
Choose Save Data All
Data rate = 5 Hz
Table
Verifying Performance
"To install a liner and O-ring"
"Changing septa" on
131.
"Changing septa"
157, and "To replace the inlet
"Cleaning the septumless
154, and
17.
TCD Checkout
142.
page 56 of 256