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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 |
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Autoclavable | Yes |
CIP | Yes |
Diameter | 12 mm |
Drift at Room Temperature | < 1 % per week |
Electrical Connector | VP8 |
Electrode system | Silver platinum combination |
Electrolyte | Oxylyte G |
Maximum CO₂ Partial Pressure | 0.01 bar |
Measurement Principle | Electrochemical reduction of oxygen |
Measuring Range | 1 ppb to 40 ppm (DO) or 0.02 to 1000 mbar (pO₂) |
Operating Temperature Range | Analog interface: 0 to 110 °C; Digital interface: 0 to 130 °C |
Oxygen Consumption | Ca. 100 ng/h in air at 25 °C |
Parameter | DO (Electrochemical) |
Polarization Voltage and Time | -670 ± 50 mV, ≥ 2 hours |
Pressure Range | 0 to 12 bar |
Process Connection | PG13,5 |
Required Flow | ≥ 0.1 m/s |
Response Time t90% | 30 to 60 s at 25 °C, from air to nitrogen |
Sensor Family | OxyGold G |
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 |
Wetted Parts | Stainless Steel 1.4435 \nEPDM (Ethylene propylene elastomer) \nSilicone - FDA 21 CFR 177.2600 \nVMQ (Silicone elastomer) |
Length | 225 mm |
Sensor Cap | Delivered with Optiflow |
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 |
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