LAMBDA OMNICOLL Fraction Collector - Sampler
Operation MANUAL 2023.01
www.lambda-instruments.com
23
Measure the volume of this fraction. This volume corresponds to the pre-set count number.
From this ratio (volume/count number) you can easily calculate the count number
corresponding to the desired fraction volume.
Since tubing of 0.5 to 4 mm of internal diameter (with a tubing wall thickness
~1 mm) can be used in the LAMBDA peristaltic pumps, the fraction volume
can be selected in a wide range. For example, when tubing with an internal
diameter of 3 mm is used, then one count corresponds approximately to
one drop.
3.7 Fraction collection with a time interval in-
between fractions (“high”)
LAMBDA OMNICOLL fraction collector and sampler could be used for the collection of
samples with a time interval between consecutive fractions varying between 0.1 min and
16.6 hours (999.9 min) or 1 min and 166 hours (9999 min).
This is particularly useful during fermentations and other biological and chemical processes.
For this application, switch the microprocessor of the control unit to the
“high”
mode
.
Selecting the high mode:
Figure 3.7-1
Press the
SET
button on the
control unit and connect the plug-in power
supply to the mains.
Figure 3.7-2
Use the
COUNT/TIME button
to
select the
“high”
mode.
Figure 3.7-3
Confirm the selection by pressing
the
SET
button (long beep signal).
In the
“high” mode
you can successively select the parameters
TIME, COUNT, PAUSE
and
NUMBER
by pressing the
COUNT/TIME
button.
After selection of the parameter with the
COUNT/TIME
button, press the
SET
button.
After a short beep the name of the parameter will appear during one second, followed by last
used value of the parameter.
