
96 8000 Operator’s Manual
4 Operating the 8000
3 Set Volume Select option 3, Set Volume. Enter a sample volume between 0 and 14 mL and press
ENTER. The Manual Sampling screen displays.
Note: The volume can contain a decimal point so that fractional milliliters can be
collected. Be sure not to enter a volume larger than the collection tubes can contain.
4 Prime Time
(peristaltic pump)
Select option 4, Prime Time. Enter a value for the priming time and press ENTER.
The Manual Sampling screen displays.
Note: The priming time is the interval the peristaltic pump runs forward, drawing
medium into the system, before the valves open to deliver samples.
4 Prime Vol (syringe
pump)
Select option 4, Prime Vol. Enter a value for the priming volume and press ENTER.
The Manual Sampling screen displays.
Note: The priming volume is the amount of drawn medium necessary to fill the
sampling lines of the entire system.
5 Purge Time
(peristaltic pump)
Select option 5, Purge Time. Enter a value for the purging time and press ENTER.
The Manual Sampling screen displays.
Note: The purging time is 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.
Purging also clears the sampling filters of particulate matter that may restrict
successive samples.
5 Purge Vol (syringe
pump)
Select option 5, Purge Vol. Enter a value for the purging volume that ensures at least
two strokes of the syringe plunger and press ENTER. The Manual Sampling screen
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. This ensures all stranded medium is properly expelled.
6 R-M Option Select option 6, R-M Option. The Replacement Media Option screen displays. Select
option 2 to disable media replacement. The Manual Sampling screen displays.
Note: The media replacement option is not available with the Apparatus 3 / 7. Ensure
this option is disabled or the instrument will not operate properly.
Table 2 5 Manual Sampling Options
Option Function
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