| Specification |
|
| Principle |
Photoluminescence-quenching using Ru compound. Measures O2 partial pressure. |
| Sensor mechanism |
Phase shift due to change in partial pressure of O2 |
| Applications |
Hydrocarbon-based liquids and vapors, fuels, alcoholic beverages, vegetable oil |
| Time-constant (µsec) dynamic range |
Air: 0.50, N2: 2.50; Low: 0.30, High: 6.00 |
| Accuracy: (0–20% O2, 0–50ºC) |
<5% of reading (using polynomial fit to multipoint calibration) |
| Response time of probe with no overcoat |
<1 second in gas, 30-45 seconds in liquid |
| Response time of dissolved oxygen in liquid (with overcoat) |
Overcoat not required |
| Response time of probe with Overcoat of Oxygen Gas (at 1 atmosphere) |
Overcoat not required |
| Dynamic range of Dissolved Oxygen in liquid |
0–8.7 ppm; 0–170 mm Hg partial pressure |
| Dynamic range of Oxygen Gas (at 1 atmosphere) |
0–20.9% (mole percent); 0–160 mm Hg partial pressure |
| Stability Dissolved Oxygen in liquid |
Drift<0.002 ppm per hour |
| Stability Oxygen Gas (at 1 atmosphere) |
Drift ~0.01% O2 per hour |
| Resolution of Dissolved Oxygen in liquid |
0.02 ppm at room temperature |
| Resolution of Oxygen Gas (at 1 atmosphere) |
0.05% (0.4 mmHg) at room temperature |
| Lowest detectable limit of Dissolved Oxygen in liquid |
0.02 ppm |
| Lowest detectable limit of oxygen gas (at 1 atmosphere) |
0.05% (0.4 mm Hg) |
| Overcoat available |
No overcoat available |
| Temperature range |
-50ºC to +60ºC |
| Temperature |
Temperature sensor and software-supported compensation |
| Temperature recalibration |
Only when probe is replaced/refurbished |
| Probe lifetime |
Reconditioning recommended once per year |
| pH operating range |
1-10 pH |
