OxyFerm CIP

Part # 243289

The Hamilton OxyFerm CIP is an electrochemical oxygen sensor suited for applications with high demands for hygiene, e.g. in the pharmaceutical industry, in biotechnology and in food & beverage production. 

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OxyFerm CIP Details

The OxyFerm 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 shaft diameter. OxyFerm CIP polarographic dissolved oxygen sensors use a special membrane formulation to provide longer life in frequent CIP applications.

Common applications Pharma & Biopharma, Bioprocess Upstream, Water, Energy, & Environment, Power Generation, Chemical Processes

Extended Sensor Lifetime

Easy Integration

 Low Maintenance

CIP-Resistant Membrane

Special membrane formulation extends sensor lifespan in frequent CIP applications.

High Hygienic Standards

Withstands steam sterilization and autoclaving.

  • We particularly appreciated the professional and personable approach.

    The training on pH sensors was highly beneficial for us. After a detailed introduction to the fundamentals of pH measurement, electrode measurement principles, and the topic of troubleshooting/prevention, we had sufficient time to ask our specific questions. This enabled us to apply what we learned immediately and integrate it directly into our laboratory routine. We particularly appreciated the professional and personable approach of Mrs. Näf-Rüdiger, who guided us through the informative and application-oriented training session.

    Romy Alisch
    Scientist, Novozymes Berlin GmbH, Germany

  • I could not be more pleased with my experience with Hamilton!

    My company has been using Hamilton probes for years and have always been happy with their performance! The team is always very helpful in trouble shooting issues and answering any questions that we may have about our probes. Overall, I could not be more pleased with my experience with Hamilton!

    Abigail Mann
    Bioprocessing Fermentation Associate at Heliae Development

  • The sensors allowed us to improve the end product.

    We have high quality standards and are convinced that Hamilton is able to meet them with its oxygen sensors. We use the oxygen sensors throughout the entire area of ​​beer production and bottling. The sensors allowed us to improve the end product. Hamilton's support is excellent at all times.

    Marco Punke
    Team leader for technology and QM/UM, Princely Fürstenbergische Brewery GmbH & Co. KG

OxyFerm CIP Specifications

Print
Process Connection PG13,5
Sensor Family OxyFerm CIP
Wetted Parts Stainless Steel 1.4435
EPDM (Ethylene propylene elastomer)
FKM (Fluorocarbon Elastomer)
VMQ (Silicone elastomer)
See compliance details in Material Specification document
Electrical Connector T82/D4
a-length 120 mm
Measuring Range 10 ppb to 40 ppm (DO) or 0.2 to 1000 mbar (pO₂)
Electrolyte Oxylyte
Drift at Room Temperature < 1 % per week
Membrane Cap CIP
Oxygen Consumption Ca. 20 ng/h in air at 25 °C
Temperature Sensor NTC 22 kOhm
Current in Air at 25 °C 40 - 80 nA
Surface Quality of Steel Ra < 0.4 µm (N5)
Electrode system Silver platinum combination
Polarization Voltage and Time -670 ± 50 mV, ≥ 2 hours
Serial Number Yes
Response Time t98% < 60 s at 25 °C
Certificate Material and Performance Test Certificate
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
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
Diameter 12 mm
Autoclavable Yes
Steam Sterilizable Yes
CIP Yes
Operating Temperature Range 0 to 130 °C
Pressure Range bar g 0 to 4 bar
Max. CO₂ Partial Pressure 0.01 bar
Required Flow ≥ 0.03 m/s

OxyFerm CIP Resources

Browse app notes, user guides, specification documents, and more in our Knowledge Center.

Browse app notes, user guides, specification documents, and more in our Knowledge Center.

Browse app notes, user guides, specification documents, and more in our Knowledge Center.

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Article

Electrolyte & Membrane Replacement for Polarographic DO Sensors

This quick guide discusses how to replace the electrolyte and membrane on OxyFerm and OxyGold polarographic DO sensors.
Sensor Output signal diagram

Article

Sensor Output Signal

As polarographic sensors generate an electrical signal, this article explores the math used to determine the relationship between oxygen and current output.
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Article

Polarographic Oxygen Sensor Maintenance

Polarographic sensors are electrochemical and thus require periodic maintenance to maintain best accuracy. This article looks at each style of Hamilton polarographic sensors and the recommended maintenance regime.

Browse app notes, user guides, specification documents, and more in our Knowledge Center.

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FAQ

Does temperature impact my oxygen measurement?

Yes, in a closed system, gas phase temperature is directly proportional to pressure and therefore measured oxygen content. In solution, temperature is inversely proportional to dissolved oxygen content.
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FAQ

Do bubbles impact my DO measurement?

DO sensors should be installed away from spargers to minimize the impact of bubbles potentially causing an erratic signal. For ODO sensors, an H2 cap with a convex tip design can be used to mitigate bubble aggregation on the ODO cap.
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FAQ

When should I replace the membrane and electrolyte in my polarographic DO sensor?

The frequency of membrane and electrolyte replacement is process specific and will vary. Routine calibration before each run can identify a high nA current at the nitrogen zero point or low nA current in air, indicating a need to replace the membrane and electrolyte. Click to learn more about membrane replacement.
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