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The KrosFlo Research IIi Tangential Flow Filtration System

Available from Spectrum Laboratories

The new KrosFlo Research IIi Tangential Flow Filtration (TFF) System is ideal for R&D scale microfiltration and ultrafiltration processing and comes with the Digital Pressure Monitor integrated into the peristaltic pump. Both the pump and pressure monitor functions are controlled by the same PLC/HMI. While the pump head handles the same flow rates as the previous version, from 0.01 ml/min to 2.3 LPM, the unit now has a smaller footprint on the bench.
The Digital Pressure Monitor has a digital LCD display with LED backlight. Four pressure measurements are displayed including: feed, retentate, permeate and transmembrane pressure. The system has both audible and visual low and high pressure alarms for the inlet and permeate, and a high-pressure pump shutoff that helps maintain membrane integrity and achieve high product recovery.
The KFComm Data Collection Software included with the system can download real time process data to an Excel file. The software calculates Transmembrane Pressure, Filtration Flux, Shear, Volumetric Throughput and the Concentration Factor.
When operated with single-use filters and flow paths the system can concentrate and diafilter process solutions while avoiding cross contamination. The Automatic Backpressure Valve accessory can be used to maintain process pressures without fluid contact.
The fully integrated system provides faster and gentler separation of proteins, cells, viruses, nanoparticles and other macromolecules.

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