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Digital oxygen sensor
Oxymax COS22D

Digital oxygen sensor
Oxymax COS22D ©Endress+Hauser
Digital oxygen sensor
Oxymax COS22D ©Endress+Hauser

The concentration of oxygen dissolved in a liquid can be measured using the amperometric or optical measuring principles. This video shows what it is about and how these measuring principles work.

Memosens converts the measured value to a digital signal and transfers it to the transmitter without a contacting connection. This video shows how Memosens optimizes process control and maintenance.

Memosens amperometric oxygen sensor for standard, hygienic and sterile applications

The Oxymax COS22D safeguards your products, process and plant equipment from oxygen influences. It measures reliably over a wide range helping you to better monitor and control your applications. The sensor is low-maintenance and ensures long-term stability - even with frequent sterilization and autoclaving. Thanks to Memosens digital technology, COS22D combines maximum process and data integrity with simple operation. It enables lab calibration and facilitates predictive maintenance.

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  • Avantajlar

    • Reliable, long-term stability and linear measurement

    • Low-maintenance design

    • Suitable for CIP/SIP and autoclaving

    • Unique hygienic design (EHEDG)

    • USP class VI

    • Approved for hazardous area use

  • Uygulama alanı

    Oxymax COS22D measures oxygen in the core processes of many industries:

    • Pharma and biotechnology
      – Process control in enzyme production
      – Control of culture growth

    • Food & Beverages

    • Chemicals

    • Water treatment
      – Boiler feedwater
      – WFI (water for...

Özellikler ve şartlar



  • Measuring principle

    Sensor Oxygen

  • Application

    Beverage, pharmaceutics, biotechnology, water treatment, process, chemical, inertization

  • Installation

    Standard process connection Pg 13.5
    Installation in standard pH assemblies possible

  • Characteristic

    Digital or analog sensor for long-term stable oxygen measurement for frequent sterilization and autoclaving
    CO2 compatible trace sensor for the beverage industry
    Trace sensor in the power plant sector

  • Measurement range

    0.001 to 20 mg/l
    0 to 200 %SAT
    0 to 400 hPa

  • Measuring principle

    Amperometric measurement of oxygen

  • Design

    Membrane-covered 2-electrode oxygen sensor with teflon-membrane, stainless steel sensor

  • Material

    Sensor body: stainless steel 1.4435
    Membrane: PTFE coated stainless steel net with a silicone coating

  • Dimension

    Diameter: 12 mm (0.47 inch)
    Shaft length: 120, 225, 360 and 420 mm
    (4.72, 8.86, 14.2 and 16.5 inch)

  • Process temperature

    -5 to 135 °C (23 to 275 °F)

  • Process pressure

    1 to 12 bar abs (14.5 to 174 psi)

  • Temperature sensor

    Integrated NTC temperature sensor

  • Connection

    Memosens-connection head

  • Additional certifications

    Material certification 3.1
    EHEDG Type EL Class I

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