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Ultra-Low Oxygen Measurements in Pipes
Oxygen Exchange Window OEW-PSt9
The oxygen exchange window with sensor type PSt9 is integrated in a metal flow-through connector FTM-PSt9. With the exchange window a used sensor coating inside the FTM can easily be replaced. The PSt9 type sensor allows monitoring ultra-low oxygen concentrations of 0 - 200 ppmv oxygen in gases.
- Contactless measurements down to 0.5 ppmv oxygen
- No consumption of oxygen
- Polarization-free
- Long-term stability
Technical
| Specifications | Gaseous O2 |
|---|---|
| *after two-point calibration as described in the manual | |
| Measurement range | 0 - 200 ppmv oxygen |
| Limit of detection | 0.5 ppmv oxygen |
| Resolution | 10 ± 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 range | from 0 to + 40 °C |
| Response time (t90) | < 3 sec. |
| Properties | |
| Compatibility | Gas phase only |
| No cross-sensitivity | CO2, 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 | 24 months provided the sensor material is stored in the dark at room temperature |
Related products
Resources
FAQs
How does an oxygen sensor work?
How does temperature affect the oxygen measurement?
The Stern-Volmer-equation
What are the response times for the oxygen sensors based on the 2 mm fiber like non-invasive oxygen sensors and oxygen probes?
What is the time of delivery?
Which substances can interfere with the optical O2, pH and CO2 measurements?
Manuals
Brochures
Software
PreSens Datamanager version 2.0.0.57 - Windows XP/Vista/7/8
PreSens Oxygen Calculator version 3.1.1 - Windows 7/8/10