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The OxyFerm FDA is an electrochemical oxygen sensor suited for applications with high demands for hygiene, e.g. in pharmaceutical industry, in biotechnology and in food & beverage production. It is available with 12 mm or 25 mm (XL) shaft diameter.
| ATEX Approval | II 1/2 G Ex ia IIC T4/T5/T6 Ga/Gb; II 1/2 D ia IIIC T x °C Da/Db |
|---|---|
| Autoclavable | Yes |
| CIP | Yes |
| Current in Air at 25 °C | 40 - 80 nA |
| Diameter | 12 mm |
| Drift at Room Temperature | < 1 % per week |
| Electrical Connector | T82/D4 |
| Electrode system | Silver platinum combination |
| Electrolyte | Oxylyte |
| IECEx Approval | II 1/2 G Ex ia IIC T4/T5/T6 Ga/Gb; II 1/2 D ia IIIC T x °C Da/Db |
| Maximum CO₂ Partial Pressure | 0.01 bar |
| Measurement Principle | Electrochemical reduction of oxygen |
| Measuring Range | 10 ppb to 40 ppm (DO) or 0.2 to 1000 mbar (pO₂) |
| Membrane Cap | Optiflow FDA |
| Operating Temperature Range | 0 to 130 °C |
| Oxygen Consumption | Ca. 20 ng/h in air at 25 °C |
| Parameter | DO (Electrochemical) |
| Polarization Voltage and Time | -670 ± 50 mV, ≥ 2 hours |
| Pressure Range | 0 to 4 bar |
| Process Connection | PG13,5 |
| Required Flow | ≥ 0.03 m/s |
| Response Time t90% | < 60 s at 25 °C |
| Sensor Family | OxyFerm FDA |
| Sensor Output | Traditional: nA |
| Serial Number | Yes |
| Steam Sterilizable | Yes |
| Surface Quality of Steel | Ra < 0.4 µm (N5) |
| Temperature Sensor | NTC 22 kOhm |
| Wetted Parts | Stainless Steel 1.4435 \nEPDM (Ethylene propylene elastomer) \nSilicone - FDA 21 CFR 177.2600 \nVMQ (Silicone elastomer) |
| Length | 120 mm |
