Ocean Optics OOISensors - Manual (Page 117)

6: Hardware Data Sheets and Instructions
HIOXY/MFPF Specifications
Specification Dissolved Oxygen in Liquid Oxygen Gas (at 1 atmosphere)
Sensor mechanism Phase shift due to change in partial pressure of O
2
Dynamic range 0–40.7 ppm
0–760 mm Hg partial pressure 0–100% (mole percent)
0–760 mm Hg partial pressure
Response time (standard) ~ 1 second
Response time (w/overcoat) Not applicable
Temperature Temperature sensor and software-supported compensation
Temperature range -50º C to 80º C
Chemical compatibility of
coating Compatible with variety of hydrocarbon-based fluids and vapors such as
solvents, fuels and oils
Tested with jet fuel, diesel, gasoline, hydraulic fluids, ethanol, and wine
Resolution 0.02 ppm at room temperature 0.05% (0.4 mm Hg) at room temperature
Calibration Standard 2-point calibration (linear fit)
Multipoint calibration (2 nd order polynomial fit) for improved accuracy and
broad dynamic range applications
Single-temperature, single-point calibrations using factory-calibrated
FOXY probes
Accuracy: (0–20% O
2
, 0–50ºC) 5% of reading (using 2 nd order polynomial fit to multipoint calibration)
Lowest detectable limit 0.02 ppm at room temperature 0.05% (0.4 mm Hg)
Stability Drift<0.002 ppm per hour Drift ~0.01% O
2
per hour
Probe reconditioning HIOXY-RECOV $150
HIOXY-RECOV-N (for HIOXY needle probes) $175
Temperature recalibration Only when probe is replaced/refurbished
Storage conditions No specific requirements
Cleaning 10% hypochlorite detergent
Sterilization Gamma radiation or sodium hypochlorite (bleach or Clorox)
Probe lifetime Refurbishing recommended once per year
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