4 Operating the 850-DS
850-DS Operator’s Manual 43
Method Properties (Apparatus 3/7)
Figure 15. Sample Collection Parameters (Apparatus 3/7)
Option Function
Sample Volume Volume to be collected into the sample test tubes / vials.
Prime Volume Volume used to prime all of the sample collection lines prior to collecting a
sample.
Purge Volume Volume used to purge all of the sample collection lines after collecting a sample.
Waste Drop Volume Volume used to rinse the sample needles prior to delivering each sample. This
volume, in addition to the sample volume, should be accounted for if media
replacement is enabled.
Dual Sample When enabled, collects two consecutive samples for each timepoint. Uses the
sample volume specified above. This option also halves the total number of
timepoints available.
Enable Filtration If a Filter Module is installed, this enables filtering samples prior to collection.
Ensure an adequate amount of 850-DS filter plates are installed prior to
beginning the method.
Samples Per Filter Specifies how many times to use each filter before they are discarded.
The filter plates are designed for single use only. The Samples Per Filter setting
should be determined for each product and method as part of the system
validation. The maximum number of uses per plate is 5 and a warning message
will appear for any value > 2.
Filter Type 25-character field used to describe what type of filter is being used. Typically
porosity and membrane type are described.
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