DO Hamilton

Re-Usable-Sensor (RUS) in Single-Use-Well (SUW)

Hamilton manufacture the VisiFerm™ optical oxygen sensor with 0-300% saturated O2 range. CerCell manufacture and install optionally (before bagging and E-beam irradiation) the non-invasive transparent Polycarbonate VisiWell with the unique optical active black spot. 


The user inserts their own re-usable VisiFerm™ DO sensor (without stainless-steel end-cap) into the non-invasive VisiWell. There is no contact between VisiFerm and the media. No autoclaving of VisiFerm is required insuring the sensor obtain a long and stable lifetime.

VisiFerm is available in PG13.5x120, 220, 320 size and both analogue and digital (ARC) versions. VisiWell in corresponding lengths  pre-installed in various SUBs and SUFs according to your needs.

Calibration according to Hamilton recommendations: http://www.hamiltoncompany.com/Sensors

  • Insert VisiFerm in the VisiWell, fill SUB / SUF with media, maximum aeration specified for the SUB / SUF and calibrate traditional at 100% saturation.
  • Calibration of the VisiFerm with air, before media is filled in the SUB / SUF.

Hamilton product information focusing on the VisiFerm DO sensor. Click on thumbnail and download.