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Dissolved oxygen sensor
Oxymax COS41

Dissolved oxygen sensor Oxymax COS41 ©Endress+Hauser
Dissolved oxygen sensor Oxymax COS41 ©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.

  • Dissolved oxygen sensor Oxymax COS41
  • Dissolved oxygen sensor Oxymax COS41

Amperometric oxygen sensor for water, wastewater and utilities

Oxymax COS41 is a reliable and accurate oxygen sensor for all kinds of water & wastewater applications. Designed for reduced maintenance and a long operating life, the sensor offers real value for money.

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  • Specs at a glance

    • Measurement range

      0,05 - 20mg/l

    • Process temperature

      max. 50°C
      (122°F)

    • Process pressure

      max. 10bar
      (145psi)

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  • Benefits

    • High measurement accuracy

    • Long maintenance intervals

    • Minimum calibration effort thanks to simple air calibration

  • Field of application

    Oxymax COS41 measures the dissolved oxygen concentration in:

    • Wastewater treatment plants:
      - O2 control in the aeration basin
      - Process water treatment and monitoring

    • Water works:
      - Status monitoring of drinking water (oxygen enrichment, corrosion...

Features and specifications

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Details

  • Measuring principle

    Amperometric oxygen measurement

  • Application

    Aeration tank, river monitoring, water treatment, fish farming.

  • Characteristic

    Amperometric 2-electrode system to measure dissolved oxygen.

  • Measurement range

    0,05 - 20mg/l

  • Measuring principle

    Closed (membrane covered) amperometric 2-electrode sensor.

  • Design

    - Extreme stable membrane- Analog communication

  • Material

    Sensor body : POMMembrane cap : POM

  • Dimension

    Diameter : 40mm
    (1.56inch)Length : 220mm
    (8.85inch)

  • Process temperature

    max. 50°C
    (122°F)

  • Process pressure

    max. 10bar
    (145psi)

  • Temperature sensor

    Integrated NTC-sensor

  • Connection

    Process connection : G1"Cable : Fixed cable or TOP68 connector

Documents / Manuals / Software

Accessories / Spare parts

Nr
Order code
Specification
    • Order code 51506784

      Accessory kit COY31-Z

      Content: COY3-F, COY31-WP, COY31-OR and COY31-PF for sensors COS31, COS41 and COS51D standard

    • Order code 50053349

      Elektrolyte COY3-F

      10 pcs. plastic ampoules, for sensors COS3/3S/COS4 and COS31/41/51D/71.

  • 2
    • Nr 2 Order code 51506976

      Set of 2x membrane cap COY31-WP

      2 pcs. ready made for sensors COS31, COS41 and COS51D standard

  • 1
    • Nr 1 Order code 51506985

      Sealing set COY31-OR

      3 pieces O-rings for sensors COS31, COS41, COS51D and COS71.

    • Order code 51506973

      Polishing foil COY31-PF

      10 pcs. for cleaning of the gold cathode for sensors COS31, COS41, COS51D and COS71.

    • Order code 51506817

      Measuring cable COK41-7

      7 m of length, ready made for sensor COS41 with TOP68 connector.

    • Order code 51506818

      Measuring cable COK41-15

      15 m of length, ready made for sensor COS41 with TOP68 connector.

    • Order code 71495126

      Kit COSxx Protection cage 8,5 mm holes

    • Order code 71495128

      Kit COSxx Protection cage Standard

    • Order code 71495130

      Kit COSxx Protection cage Fish farming

  • 3
    • Order code 50003987

      Junction box VBM

      with 10 high-impedance terminals Protection class: IP65 Dimensions: 125 x 80 x 55 mm (L x W x H)

    • Order code 50081787

      COY 3-SK membrane protective basket

      for immersion of diss. oxygen sensors COS31/41/51D/61/61D in fish ponds.

    • Order code COS41-

      Oxymax W COS41

      Dissolved oxygen sensor, amperometric. 2 electrode cell. Application: Water, waste water. Measuring range: 0.05...20 mg/l. :: Compatibility, Sensor: COS4.

    • Order code COY8-

      Zero-point gel COY8

      Zero point: Verification, calibration, adjustment at zero point of oxygen and disinfection sensors ::Amperometric and optical sensors ::12, 25 and 40mm diameter ::Application in the lab, in the field

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