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PreSens

SYSTEM - Oxygen, pH & Biomass - SFR vario Shake Flash Reader

Simultaneous online measurement of O2, pH, Biomass - OUR Measurement - Easy Integration in any Shaking Incubator
QUOTATION
INFORMATION
lifescience@analis.be
081 25 50 06
QUOTATION
INFORMATION
lifescience@analis.be 081 25 50 06
DESCRIPTION DOWNLOAD PROBES APPLICATIONS SPECIFICATIONS VIDEO
DESCRIPTION
The top plate of the SFR vario of version v2 is equipped with two small extensions offering more stable attachment of flasks bigger than 2000 mL. The new top plate will allow the correct adjustment for 3L/5L clamps


Shake flasks are simple, low-cost devices widely used in screening and media optimization. The most widely measured parameter to determine biomass is optical density (OD). It is typically measured offline because no suitable equipment for broad range biomass measurements in shake flasks has been available. But a new, compact, SFR vario device from PreSens Precision Sensing can be placed under shake flasks to measure four parameters online: pH, O2saturation, oxygen use rate (OUR), and biomass.

  • Real-time measurement of O2, pH and biomass through the wall of the cultivation vessel
  • Automatic OUR calculation
  • Used in media evaluation, bioprocess development & optimization
  • Pre-calibrated cultivation vessels are ready-to-use
  • Sampling-free and time saving
  • Glass & plastic flasks in different sizes available
  • Wireless data transfer enables easy integration

The SFR vario offers online monitoring of oxygen, pH and biomass - simultaneously.

The device optics can read out pre-calibrated oxygen and pH sensor spots (integrated in the ready-to-use cultivation vessels) and also comprise a dedicated optical set-up for biomass monitoring. The oxygen uptake rate (OUR) can be calculated from the slope of the online oxygen measurements. The system has two long-lasting, rechargeable batteries and is compatible with any standard shaking incubators.

Up to 4 SFR vario can be controlled from the SFR vario software. Measurement data is transferred wirelessly via Bluetooth to a PC / notebook.

 


PreSens's goal is to make shake-flasks give you more information to improve your process understanding. Oxygen (O2) and pH sensing dots are integrated into shake-flasks, and their fluorescent signals are read by our device to determine oxygen and pH online. Integrated into the system’s optics, our biomass sensor measures light scattering. During movement of shake flasks, liquid distribution is uneven and adjusted toward one side of the shake- flask. Measuring at the right time is important, so we integrated an additional sensor that measures shaker position to ensure correct measurements depending on rotation frequency.

A complete system can be integrated into most incubators. It includes wireless data transmission and two rechargeable batteries. Modular software measures up to four devices in parallel, with visualization of current measurements. It can compare current and stored data to show deviations.

 

 

 

DOWNLOAD
PROBES
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VIDEO
PreSens website
PreSens
Chemical optical O2, pH and CO2 sensors for Biotech & Pharma, Food & Beverage, Scientific Applications and Medical Devices.
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Prices are quoted in euro (taxes excluded) and apply in the Benelux (recycling fee included). They are subject to change without notice. We reserve the right to adjust pricing errors and to limit quantities.

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