RTS-1C Personal Bioreactor with cooling – Witec AG

Art No | BS-010160-A04
3'780.00 CHF
3'780.00 CHF

RTS-1C - Single-Use Mini-Bioreactors with Real Time Cell Growth Logging and Innovative Reverse-Spin® Mixing Technology


The RTS-1 is a is personal bioreactor which provides “Reverse-Spin” type of agitation and logging of microbial growth in 50 ml tubes in real time.

Combined with a near-infrared optical system it is possible to register cell growth kinetics non-invasively in real time.

  • Reverse–Spin® mixing principle in 50 ml falcon tubes allows to achieve high kLa (h-1) up to 450 which is essential for efficient aerobic cultivation
  • Individually controlled bioreactor accelerates optimization process
  • Possibility to cultivate microaerophilic and obligate anaerobic microorganisms (not strict anaerobic conditions)
  • Reverse–Spin® mixing principle enables non-invasive biomass measurement in real time
  • Near-infrared optical system makes it possible to register cell growth kinetics
  • Free of charge software for storage, demonstration and analysis of data in real time
  • Compact design with low profile and small footprint for personal application
  • Temperature control for bioprocess applications
  • Active cooling for rapid temperature control, e.g. for temperature fluctuation experiments
  • Task profiling for process automatization
  • Cloud data storage to remotely monitor the process of cultivation while at home or using a mobile phone

Software features:

  • Real–Time cell growth logging
  • 3D graphical representation of OD or growth rate over time over unit
  • Pause option
  • Save/Load option
  • Report option: PDF and Excel
  • Connect up to 10 units simultaneously to 1 computer
  • Remote monitoring option (requires internet connection)
  • Cycling/Profiling options
  • User manual calibration possibility for most cells

Typical applications:

  • Fermentation real time growth kinetics
  • Clone candidate screening
  • Protein expression
  • Temperature stress and fluctuation experiments
  • Media screening and optimization
  • Growth characterization
  • Inhibition and toxicity tests
  • Strain quality control


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Measurement range
  • 0–10 OD at 10–20ml volume (0–19 OD λ600 nm equivalent)
  • 0–8 OD at 20–30ml volume (0–15.2 OD λ600 nm equivalent)
Measurement precision

±0.3 OD

Light source

NIR Light diode

Measurement wavelength (λ)

850 nm

Measurement periodicity per hour


Cultural media volume

10–30 ml

Temperature setting range

+4°C … +70°C

Temperature control range

15°C below ambient … +70°C

Temperature stability




Speed control range

50–2,000 rpm

Max. number of units connected to the software


Type of tube for aerobic cultivation

50 ml tube with membrane filter (TubeSpin® Bioreactor 50, TPP®)*

*possible to use other manufacturer tubes of the same type

Type of tube for anaerobic cultivation

50 ml tube with membrane filter (TubeSpin® Bioreactor 50, TPP®)*

*possible to use other manufacturer tubes of the same type

Minimum PC requirements
  • Intel/AMD Processor 1 GB RAM
  • Windows Vista/7/8/8.1/10/11
  • USB 2.0 port
Optimal PC requirements
  • Intel/AMD Processor, 3 GB RAM
  • Windows Vista/7/8/8.1/10/11
  • USB 2.0 port
Overall dimensions (W×D×H) | Weight

130 x 212 x 200mm | 2.2kg

Power consumption



Art No | BS-010158-AK-TUBES
TubeSpin® Bioreactor 50mL tubes
from 55.00 CHF
from 55.00 CHF

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