Tandem Pro: A Continuous Off-Gas Analyzer

The Tandem PRO gas analyzer provides real-time, on-line, off-gas analysis of CO2 and O2 for microbial and cell culture experiments and is compatible with a wide range of bioreactor systems.  The Tandem PRO supports a single gas line input for a single bioreactor, with continuous sampling.  The real-time feedback enables automation of experimental operation, delivering greater control of the bioprocess and facilitating increased reliability and repeatability of experiments.

Features and Options:

  • Number of Lines: 1
  • Operating Temperature: 0-45 ⁰C
  • Sampling Interval: Continuous
  • Flow Rate: 25-1000 ml/min
  • Local Display: Yes
  • Calibration Method: Manual & automatic
  • Internal Gas Pump: Yes
  • Output: Dual 0-10 V and 4-20 mA, plus RS232
  • Intelligent Software Control and Analysis:
    • The WinISO control software from H.E.L operates the Tandem Pro, allowing complicated, completely automated experiments to run without any supervision.
  • Control Options:
    • All relevant inputs can be logged, enabling automated monitoring and, where appropriate, feedback control of the reactor system


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