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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 | No |
|---|---|
| Autoclavable | Yes |
| CIP | Yes |
| Diameter | 12 mm |
| Drift at Room Temperature | < 1 % per week |
| Electrical Connector | VP8 |
| Electrode system | Silver platinum combination |
| Electrolyte | Oxylyte |
| IECEx Approval | No |
| 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) |
| Operating Temperature Range | Analog interface: 0 to 110 °C; Digital interface: 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 |
| Sensor Family | OxyFerm FDA |
| Sensor Output | Arc: Modbus, 4 to 20 mA |
| Serial Number | Yes |
| Steam Sterilizable | Yes |
| Surface Quality of Steel | Ra < 0.4 µm (N5) |
| Temperature Sensor | NTC 22 kOhm |
| Length | 425 mm |
| Response Time | t98% < 60 s at 25 °C |
| Sensor Cap | Delivered with Optiflow FDA |
| Accuracy at 25 °C | ± 2 % |
| Analog Interface 1 | 4 to 20 mA for DO, programmable |
| Analog Interface 1 and 2 | Galvanically not isolated; pulse width modulation 3.5 kHz |
| Analog Interface 2 | 4 to 20 mA for Temperature programmable |
| Automatic Polarization | Yes, Maximum 2 hours stabilisation time |
| Baud Rate | 4800, 9600, 19200, 38400, 57600,115200 Bd |
| Configurable Values | DO: mbar; %-sat; %-vol; µg/l; mg/l; ppb/ppm (gas); ppb/ppm (dissolved oxygen); Temperature: °C, °F, K |
| Operating Voltage | 7 to 30 VDC Maximum 150 mW |
