REPLIGEN Spectrum KR2i

45 400-12355-000 Rev. 03
KR2i / KMPi TFF Systems
System Functionality
8.2.5 Constant Feed Concentration Mode
C/F/C Mode may be used to
concentrate a sample that does not fit into the process reservoir.
NOTE: In CFC Mode Auxiliary Pump
1 adds additional sample into the process reservoir. User can
select the end point condition to either deplete the Extra Feed Reservoir completely or stop the
Aux Pump 1 at a Concentration Factor setpoint.
NOTE: If the depletion of the Extra Feed Reservoir is selected, CF might exceed setpoint.
NOTE: Aux Pump 1 will stop running once the feed scale detects no additional sample added.
Extra Feed 20L Starting Weight 20 kg
Conc Factor 1 10X Perm Wt After C1 36 kg
Feed Wt After C1
4 kg
Feed Reservoir
Module
Permeate Reservoir
Permeate Pump
(Auxiliary Pump 2)
Optional
Extra Feed Reservoir
Constant Feed Pump
(Auxiliary Pump 1)
Feed Scale
KMPi Pump
Permeate Scale