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Ultra-Low Oxygen Measurement in Pipes

Oxygen Probe Integrated in Metal Flow-Through Connector FTM-PSt9

An oxygen exchange window for measurement of smallest oxygen traces is integrated in a metal flow-through connector. The FTM-PSt9 is suitable for measurement in gases and has a measurement range of 0 - 200 ppmv oxygen with a detection limit of 0.5 ppmv oxygen. It can be integrated in pipes with o.d. 6 mm or other diameters using the respective adapters. The oxygen probe is very robust and long-term stable.

  • Contactless measurements down to 0.5 ppmv oxygen
  • No consumption of oxygen
  • Polarization free
  • Long-term stability
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Technical

SpecificationsGaseous O2
*after two-point calibration as described in the manual
Measurement range0 - 200 ppmv oxygen
Limit of detection0.5 ppmv oxygen
Resolution10 ± 0.5 ppmv oxygen
100 ± 0.8 ppmv oxygen
200 ± 1.5 ppmv oxygen
Accuracy at + 20 °C*± 2 ppmv oxygen or ± 5 %, whichever is higher
Measurement temperature rangefrom 0 to + 40 °C
Response time (t90)< 3 sec.
Properties
CompatibilityGas phase only
No cross-sensitivityCO2, SO2
Cross-sensitivityOrganic vapor, Chlorine gas
CalibrationTwo-point calibration with oxygen-free environment (nitrogen 6.0) and a second calibration value optimally between 100 and 200 ppmv gaseous oxygen
Storage stability24 months provided the sensor material is stored in the dark at room temperature

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