Minifors 2

Minifors 2, unbeatable bioreactor in its class

Minifors 2 is a compact and easy-to-use bioreactor with a wide range of application possibilities. It is a complete package that enables both novice and experienced users to easily perform microbial applications.

All this – and more

Minifors 2 comes as a complete package with everything you need for growing microorganisms. The fully equipped culture vessel is placed on a compact base unit with four freely configurable pumps, pH and pO2 sensors, two fully automatic gas lines with mass flow regulators and a control unit with touch screen. In addition, Minifors offers 2 optional functions that make it easier for you to understand and optimize your bioprocesses.

Unpack and get started

Minifors 2 takes you directly to your bio process. The bioreactor is preconfigured and delivered ready to use. Connect the device, mount the vessel, connect pumps and sensors and start working in just 10 minutes.

Design for practical applications

Minifors 2 has a compact, user-friendly design. With its small footprint and few external connections, the bioreactor takes up little space in the lab. Your work around the bioprocess will be simplified with special details such as, for example, the practical vessel holder that enables safe and risk-free transport of the pump heads and bottles together with the culture vessel. The steel tray on which the vessel stands can also be easily cleaned even if the bioreactor is in operation.

It speaks your language

Simple and intuitive means: Get started immediately with your bio process in just a few steps thanks to understandable controls and without the need for training. The touch screen follows you through the experiment in several languages. You can prepare everything in the shortest possible time – from calibration of sensors to configuration of cascades and specification of setpoints.

Work independently or as part of a platform

Minifors 2 is open to everything. Use the bioreactor as a stand-alone device and export the measured values ​​in CSV format to a USB drive. Or connect your Minifors 2 with eve®. With the bioprocess platform, a new world of bioprocess control opens up – not only can you plan complex strategies in an instant, you can also use multiple Minifors 2 into a virtual parallel bioreactor. Analyze and compare the results with many visualization tools and organize the bioprocess knowledge you obtain as a result.


Minifors 2 offers features beyond other units in its class. Get started with your bio processes and have fun thanks to optimized handling and ease of use.

Fully equipped with good handling – simply practical!

  • Available in total volumes of 1.5 L, 3 L and 6 L
  • Powerful direct drive of up to 1600 min-1• Quick and easy change between different vessel sizes
  • Rounded flat vessel bottom
  • Low minimum workload
  • Good stirring/mixing
  • Stability with or without vessel holder
  • Safe sampling without dead volume using the INFORS HT Super Safe Sampler

Plenty of room for online analysis

  • Intelligent design for easy access to all ports
  • Convenient, tool-free cleaning and maintenance thanks to easy-to-handle screws
  • Sufficient number of ports for standard fittings and additional inlets, downpipes and sensors
    • 4 x 7.5 mm: addition ports for acid, base, feed & 1 frio
    • 4 x 10 mm: sparger, anti-foam system, temperature sensor, sampling / harvesting
    • Max 7 x 12mm (Pg13.5): pH, pO2, gas cooler, inoculation has fixed locations, 3 are free

Powerful, fully automated fumigation

  • 2 integrated mass flow controllers (MFC)
  • Use with air, air / O2 or air / N2
  • Integrated pressure sensor for detecting blocked filters
  • Gas additive optimized for bacterial applications: Specific gas flow (vvm) up to 2.0 min-1
  • Multiple cascades for pO2 control using stirrer speed, gas rate (“TotalFlow”) and/or gas composition (“GasMix”)

Provides so much more than just precision

  • 4 precision pumps
  • Configurable operating mode: digital (fixed speed) or analog (variable speed)
  • Standard setting: 3 x digital (acid, base, antifoam), 1 x variable (feed)
  • Autoclavable pump heads• Gravimetric feed possible (requires external scale)
  • Profile-based control of pump speed (requires eve®)

Intelligent, digitally controlled sensors as standard

  • Robust digital connection of pH and pO2 sensors
  • Optical pO2 sensor: Immediately ready for use as no polarization is required
  • Storage of calibration data in the sensor head
  • Product calibration of the pH sensor for reliable measurements during long-term bioprocesses
  • Compatible with Hamilton ARC

New, different – ​​better: the most intuitive controller

  • Integrated 7” touch screen (17.8 cm)
  • Easy handling via intuitive menus and practical help on the screen
  • Calibration of pH, pO2 and OD sensors using simple setup guides
  • Direct data export to USB device in stand-alone operation
  • Multiple display languages

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