Learn more how LAMBDA Massflow regulators works:

Accurate gas delivery is essential for reproducible bioprocessing. While standard bioreactors often rely on simple rotameters (floating-ball capillaries) that fluctuate with pressure and temperature changes, the Minifor2Bio touch features high-precision thermal mass flow control as standard. Coupled with a microprocessor-controlled proportional needle valve, it ensures continuous, precise gas dosing unaffected by system pressure build-ups or filter blockages—meeting strict GLP and GMP quality standards.

Key Technical Advantages

• Thermal Mass Flow Sensing: Measures actual gas mass (molecule count) rather than volumetric flow by detecting flow-dependent temperature differences ($\Delta T = T2 - T1$) across a central heating element. This measurement remains completely independent of pressure and temperature variations.

  
  

• Proportional pH & $\text{pO}_2$ Dosing: Microprocessor-managed proportional needle valves deliver smooth, continuous gas adjustments for optimal pH and dissolved oxygen ($\text{DO}$) control without sudden flow spikes.

  
  

• Decoupled $\text{DO}$ & Agitation Control: Regulates dissolved oxygen directly through gas flow rate rather than relying solely on stirrer speed variations, maintaining optimal mixing and nutrient distribution at any agitation rate.

  
  

• Full Data Traceability: Provides precise, continuous gas volume data for effortless digital recording, tracking, and process validation.

  
  

• Modular Expansion: Seamlessly pairs with autonomous MASSFLOW 500 and MASSFLOW 5000 modules to configure custom multi-gas stations ($\text{O}_2$, $\text{N}_2$, $\text{CO}_2$) based on specific cell culture requirements.