Single & parallel autoclavable stirred mini-fermenter/bioreactor

IO is a completely electrical mini fermenter/bioreactor with a fast and accurate thermoregulation system (without water circulation.)

With total volumes of 200ml or 1000ml, it represents an innovative device for process development and media optimization.

Solaris IO Features and benefits:

Single-wall borosilicate glass vessel, with thermoregulation performed through a Peltier Cell (no need for an external chiller/water supply).
Different configurations available for microbial (aerobic/anaerobic) and cell culture applications, with the choice of Rushton/Marine/Pitched-Blade impellers and fluted/L-shaped sparger.
Wide range of measurement and control options, including temperature, pH, dO 2 , dCO 2 , redox, antifoam, level, conductivity, weight, cell density (total cells, viable cells).
Modbus digital sensors reduce background noise and guarantee quick response time.
Suitable for batch, fed-batch and continuous processes.
Powerful and accurate (1 RPM) brushless motor.
Optional integration of up to 4 analog input/output connections, choosing between 0-10 V and 0-20 mA/4-20 mA (e.g. pumps or valves with power supply independent from Solaris electrical cabinet)
Different gas mixing strategies with up to 5 TMFC and/or solenoid valves.
Gas out can be optionally integrated with a condenser with Peltier Cell.
Extremely compact system maximizes lab space.

Solaris IO Software:

  • Innovative SCADA software​ ​LEONARDO​ ​3.0: a smart and user-friendly controller designed to provide a high level of automated management of the fermentation/cultivation processes.
  • Full version included in the equipment supply.
  • Up to 24 units managed in parallel with a unique HMI (​24”).
  • Data extraction in .csv format.
  • Remote access via PC, tablet or smartphone, with QR code scanning or dedicated portal.
  • Remote control for after sale assistance.
IO can be equipped with

Bioreactor Accessories

IO can be used for

Solaris IO Lab Applications

Process development and optimization


Basic research

Scale up and scale-down studies

Small production

in the following application fields:



Food & Beverage





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