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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

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
CompatibilityGas phase only!
No cross-sensitivityCO2, H2S, 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 stability5 years provided the sensor is stored at room temperature in dry conditions and in the dark
Pressure resistance10 mbar up to 20 bar
Temperature range operationOptimal: 0 °C to + 40 °C
Max.: - 20 °C to + 60 °C
Temperature range storageOptimal: room temperature (+ 20 °C ± 5 °C)
Max.: 0 °C to + 70 °C
FTM-M10 formatsConnector diameter6 mm1/4"1/2"
Inner diameter4.7 mm4.8 mm10.4 mm
Inner volume1.1 cm31.2 cm35.0 cm3
Materialstainless steel 316L (body), 304 (OEC-M10)

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