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Cells for Online Oxygen Monitoring in Perfusion Systems

O2 Flow-Through Cell FTC-PSt7

A miniaturized oxygen sensor type PSt7 is integrated in a flow-through cell. It allows non-invasive online monitoring of oxygen in perfusion systems. The sensor is fixed to a color coded stick, which can be attached to flow-through cells of different size and shape according to requirements. A polymer optical fiber connects the sensor inside the flow-through cell to the respective O2 meter. The cells are made of polycarbonate.

  • Precise online monitoring of oxygen
  • Different sizes and shapes for various flow rates
  • Easy connection to external tubing

Technical

SpecificationsDissolved O2
*after two-point calibration as described in the manual
**equilibrated FTC with physiological solution and sufficient flow rate (min. 15 mL/min) at 37 °C
***recalibration may be required
Measurement range

0 –  45 mg/L

0 – 1400 µmol/L
Resolution

± 0.005 mg/L at 0.4mg/L

± 0.025 mg/L at 9.06 mg/L
Accuracy *at + 20 °C: ± 0.05 % O2 or ± 3 % rel.
Measurement temperature rangeFrom 0 to + 50 °C
Response time (t90)**< 40 sec.
Properties
CompatibilityAqueous solutions, ethanol, methanol
Cross-sensitivityOrganic solvents, such as acetone, toluene, chloroform or methylene chloride
Chlorine gas
Sterilization procedure***

Irradiation

Ethylene oxide (EtO)
Calibration

Sensor sticks are pre-calibrated;

Two-point calibration in oxygen-free environment (nitrogen, sodium sulfite) and air-saturated environment
Storage stabilityUp to 60 months provided the sensor material is stored in the dark at room temperature
T-cell formats Luer T-cell (delivered), inner diameter 5 mm, cell volume 0.3 mL;
1/4" x 1/4" (Qosina), cell volume 2.1 mL;
3/8" x 3/8" (Qosina), cell volume 4.6 mL;
1/2" x 1/2" (Qosina), cell volume 8.3 mL

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