Spectrum Labs KrosFlo Research II TFF System

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The KrosFlo Research II Tangential Flow Filtration System provides fast, gentle microfiltration and ultrafiltration with maximized product recovery for small applications.  This TFF system has a flow rate range from 0.01 to 2300 ml per minute and uses a disposable flow path and digital pressure monitor to make sure optimal, efficient, repeatable results free of cross contamination. The KrosFlo Research II has a variety of alarms to alert users to changes in pressure and in the permeate as well as a high pressure shut off to protect membrane integrity.


The Spectrum Lab KrosFlo Research II TFF System is supported with powerful KF Comm software, that graphs run data for users automatically, with specifics like flow rates, as well as inlet, retentate and transmembrane pressures into a spreadsheet for analysis. On the instrument itself, an easy to read, back lit, digital display allows users to monitor recirculation flow rate and pressures in real time. This TFF system comes equipped with Hollow Fiber filtration modules as well as a Mixed Cellulose Ester module. The hollow fiber modules of this ultrafiltration system give you a gentle separation while avoiding membrane fouling, and recouping maximum product. By using a disposable flow path, users not only avoid cross contamination worries but also avoid the hassle of re-validating modules before the next run, giving you faster turn arounds and results you can count on.

Spectrum Lab KrosFlo Research II TFF System Specifications:




0.1 to 600 rpm

Torque output, Maximum:

180 oz-in (13 kg•cm) 540 oz-in Starting

Speed regulation:

Line ±0.1% F.S. Load ±0.1% F.S. Drift ±0.1% F.S.

Pressure Sensor Limits:

-5.0 to 45.0 psi



Supply voltage limits:

90 to 260 Vrms @ 50/60 Hz

Current, max.:

2.2A @ 115 Vrms, or 1.1A @ 230 Vrms



Temperature, Operating:

0° to 40°C (32° to 104°F)

Temperature, Storage:

 –25° to 65°C (–13° to 149°F)

Humidity (non-condensing):

10% to 90%


12 x 16 x 22”


28 lb (unit and parts)


115/230 VAC, 50/60 Hz, 2.2/1.1A

  • KrosFlo Research 2 TFF Tangential Flow Filtration System
  • Stand with Clamps
  • ME MicroKros Filter Module P/N: C02-M10U-06-N (quantity of 2)
  • Hollow Fiber Module P/N: C02-P20U-05-N
  • Hollow Fiber Module P/N: C02-E500-05-N
  • Hollow Fiber Module P/N: P-C1-500E-100-01N
  • Hollow Fiber Module P/N: C02-P20U-10-N
  • Hollow Fiber Module P/N C02-P50U-10-N
  • Software Disks 
  • Communication Cables
  • Plastic Bin with Extra Parts as seen in photo
  • 3 Port Conical Bottle 250ml and 15ml Bottles 
  • Power Cord
  • Operator's Guide
  • 30-Day Warranty

This Spectrum Lab KrosFlo Research II TFF System has been fully inspected and is performing to expectations. All of our lab equipment comes backed with our standard warranty. Should you have any questions, please don't hesitate to contact us.

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