CO2 Measurements in Customized Set-Ups

Implantable CO2 Microsensor IMP-CDM1 (Prototype)

The implantable CO2 Microsensor IMP-CDM1 is not mounted into any additional housing and therefore ideally suited for implementation in customized applications. The bare glass fiber tip can be mounted to your own housing, steel tubes, catheters, etc. This tiny probe has a tip size of 250 µm and a maximum outer diameter of 900 µm. As the IMP-CDM1 is free of metal, it can be used in the presence of electromagnetic fields and even NMR environments.

  • CO2 measurements in liquids (0.04 to 5 % CO2)
  • High spatial resolution (250 µm)
  • Ideal for physiological solutions
  • Not influenced by electromagnetic fields
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*preliminary data
**provided CO2 sensors are used without further handling in physiological solution under physiological conditions
***temperature compensation not available yet. Please contact our experts regarding your measurement temperature
Measurement range 0.04 - 5 % CO2 at atmospheric pressure
Response time (t90) for a CO2 change from 0.5 to 1 % < 5 min (at 25 °C)
< 3 min (at 37 °C)
Resolution at 25 °C ± 0.01 % at 0.1 % CO2
± 0.1 % at 1 % CO2
Spatial resolution 250 µm
Measurement temperature range*** From + 12 °C to + 42 °C
Compatibility Aqueous solutions, pH 4 to 9
Cross-sensitivity Organic solvents, volatile acids (e.g. HCl vapors, acetic acid) and sulfidic environments damage the sensor irreversibly
Calibration CO2 sensors are pre-calibrated at the required temperature***; re-calibration is possible and recommended

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