Agilent Technologies 8000 Series Manual do Operador Página 50

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50 8000 Operator’s Manual
4 Operating the 8000
4 Manual Prime Vol.
(syringe pump)
If your system configuration includes the syringe pump, use this option to set the
amount of drawn medium necessary to fill the sampling lines of the entire
system.
Select option 4, Manual Prime Vol. Enter a value for the priming volume and
press ENTER. The Main Menu displays.
Note: At a minimum, the manual prime volume should be large enough for
medium to be seen dripping from the return cannulas. In general, the longer the
tubing lengths, the larger the priming volume required. This value is not used by
sampling programs which have their own individual priming volume values. It is
used only with the MANUAL SAMPLE and CLEAN SYSTEM keys on the
8000.
5 Manual Purge Time
(peristaltic pump)
If your system configuration includes the peristaltic pump, use this option to set
the interval the peristaltic pump runs in reverse to return the uncollected medium
in each line back into the vessel from which it was drawn.
Select option 5, Manual Purge Time. Enter a value for the manual purge time
from 1 to 99 seconds and press ENTER. The Main Menu displays.
Note: Purging also clears the sampling filters of particulate matter that may
restrict successive samples. As with priming, the longer the tubing lengths, the
longer the purge time required. This value is not used by sampling programs,
which have their own individual purging time values. It is used only with the
MANUAL SAMPLE, CAL, and CLEAN SYSTEM keys on the 8000.
5 Manual Purge Vol.
(syringe pump)
If your system configuration includes the syringe pump, use this option to set a
purge volume that ensures all stranded medium is properly expelled.
Select option 5, Manual Purge Vol. Enter a value for the purge volume that
ensures at least two plunger strokes and press ENTER. The Main Menu displays.
Note: The first stroke moves all medium from the sampling lines to the return
lines. The second stroke draws air into the sampling lines and purges the
remaining medium from the return lines. As with priming, the longer the tubing
lengths, the larger the purge volume required. This value is not used by sampling
programs which have their own individual purging volume values. It is used only
with the MANUAL SAMPLE and CLEAN SYSTEM keys on the 8000.
6 Control DISSO Use this option to remotely control the dissolution apparatus from the 8000. See
“Main Menu Option 6 - Control DISSO” on page 57.
7 Manual Operation Use this option to manually control the 8000. See “Main Menu Option 7 -
Manual Operation” on page 57.
Table 3 Main Menu Options (Apparatus 1 / 2)
Option Function
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