Specification |
|
Principle |
Photoluminescence-quenching using Ru compound. Measures O2 partial pressure. |
Sensor mechanism |
Phase shift due to change in partial pressure of O2 |
Applications |
Benign environment, aqueous liquids and vapors |
Time-constant (µsec) dynamic range |
Air: 2.50, N2: 5.00; Low 1.00, High 7.00 |
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) |
30-45 seconds |
Response time of probe with Overcoat of Oxygen Gas (at 1 atmosphere) |
30-60 seconds |
Dynamic range of Dissolved Oxygen in liquid |
0–40.7 ppm; 0–760 mm Hg partial pressure |
Dynamic range of Oxygen Gas (at 1 atmosphere) |
0–100% (mole percent); 0–760 mm Hg partial pressure |
Stability Dissolved Oxygen in liquid |
Drift<0.01 ppm per hour |
Stability Oxygen Gas (at 1 atmosphere) |
Drift ~0.03% 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 |
Yes, order FOXY-AF or FOXY-AF-MG |
Temperature range |
-50ºC to +80ºC |
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 |