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Ultra-low oxygen measurements in pipes

Oxygen Sensor Integrated in Metal Flow-Through Cell FTM-M10-PSt9

An Oxygen Exchange Cap (OEC-M10) with PSt9 sensor for measurement of smallest oxygen traces (limit of detection 0.5 ppmv O2, measurement range 0 - 200 ppmv O2) is integrated in a metal flow-through cell via M10 thread. The FTM-M10-PSt9 is suitable for measurement in gases and is available with connector diameters of 6 mm, 1/4" or 1/2". The cells can also be connected to pipes with other diameters using the respective adapters. A polymer optical fiber is inserted in the cap for sensor read-out. For industrial environments robust fibers integrated in a metal spiral tube can be connected to the FTM magnetically. The oxygen probe is very robust and long-term stable. The OEC can easily be exchanged if necessary.

  • Perfusion monitoring down to 0.5 ppmv O2
  • Different FTM sizes available
  • No consumption of oxygen
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Technical

Specifications Gaseous O2
*at 20 °C, 960 - 980 hPa; humidified gas mixture
**determined changing from 20.9 % oxygen gas to nitrogen 5.0
Measurement range* 0 - 200 ppmv O2
Limit of detection* 0.5 ppmv O2
Resolution* 10 ± 0.5 ppmv O2
100 ± 0.8 ppmv O2
200 ± 1.5 ppmv O2
Response time (t90)** < 10 sec.
Properties
Compatibility Gas phase only!
No cross-sensitivity CO2, H2S, SO2
Cross-sensitivity Organic vapor
Chlorine gas
Calibration Two-point calibration with oxygen-free environment (nitrogen 6.0) and a second calibration value optimally between 100 and 200 ppmv gaseous oxygen
Storage stability 5 years provided the sensor is stored at room temperature in dry conditions and in the dark
Pressure resistance 10 mbar up to 20 bar
Temperature range operation Optimal: 0 °C to + 40 °C
Max.: - 20 °C to + 60 °C
Temperature range storage Optimal: room temperature (+ 20 °C ± 5 °C)
Max.: 0 °C to + 70 °C
FTM-M10 formats Connector diameter 6 mm 1/4" 1/2"
Inner diameter 4.7 mm 4.8 mm 10.4 mm
Inner volume 1.1 cm3 1.2 cm3 5.0 cm3
Material stainless steel 316L (body), 304 (OEC-M10)

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