TABLE 1.
Technical specifications for PSt3 oxygen sensors and the FIBOX 3 system (PreSens GmbH)
| Parameter | Value |
|---|---|
| Measuring range | |
| mg O2 liter−1 | 0-45 |
| mmol O2 | 0-1.4 |
| Resolution (μmol O2) | |
| 1% ± 0.05% air saturation | 2.83 ± 0.14 |
| 30% ± 0.1% air saturation | 85.0 ± 0.28 |
| 100% ± 0.5% air saturation | 283.1 ± 1.40 |
| Accuracy (% air saturation at 20°C) | ±1 |
| Limit of detection (% air saturation) | 0.15 (0.01 mg O2 liter−1) |
| Response time (s)a | |
| Gas phase | <10 |
| Aqueous solution (with optical | |
| isolation, not stirred) | <60 |
| Temperature range (°C) | −10 to +50 |
a
The response times given are related to the time intervals when 90% of the signal change had occurred.