Bioreactor Probe Sensor for Glucose and/or Lactate

Monitor glucose and/or lactate concentrations in practically any type of stirred bioreactor for up to 21 days without interruption. Calibration is automatic once the sensor is paired with the accompanying control software via a compact data transmitter. Unique electronics and innovative enzyme stabilization technology make this the best choice for accurate long-term monitoring. Probe design is based on a standard pH probe.

CITSens Process Probe


  • Eliminates tedious and risk-prone manual sampling
  • Convenient long term remote monitoring and data recording
  • Can be configured for feed pump control

Unlike other biochemical sensors these biosensors are designed so that every electron obtained from the enzyme-substrate reaction will contribute directly to the measurement of concentration. This means greater accuracy. It also means that H202 generation is avoided and that undesirable oxidized media components will not accumulate.


Concentration Range: Glucose: 0 – 8 g/L and Lactate: 0 – 1.35 g/L
Precision: +/- 0.1 mmol/L
Resolution: 0.1 mmol/L
Precision: +/- 0.1 mmol/L
Resolution: 0.1 mmol/L
Materials: PEEK (USP Class VI)
or POM-C (USP Class VI)
Connection: Standard PG13.5 thread
Sensor circuitry: Screen printed
Data logging interval: 20sec, 40sec, 60 sec …etc, user-defined
Sterility: Supplied gamma-sterilized for single use
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Other biosensor formats

Flow Cell, Flask or Reactor Probe Designs

A range of single-use sensor designs is available: 1) flow-through 2) flask-cap 3) reactor probe. Sensors connect remotely via a compact transmitter to the associated data-recording and control software that is provided ready-installed on an industrial mini-PC or tablet. Each system is designed to be “plug-and-play”. The choice of hardware option depends on type of sensor.

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