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Oxymax COS61 is an optical dissolved oxygen sensor with long-term stable fluorescence layer.

Dissolved oxygen sensor
Oxymax COS61

Optical oxygen sensor for water, wastewater and utilities

COS61
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  • Measuring principle

    Optical oxygen measurement

  • Application

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

  • Characteristic

    Digital, optical (luminescence) dissolved oxygen measurement.
    No flow needed - measurement possible in still water.

  • Measurement range

    0mg/l ... 20mg/l
    0%SAT ... 200%SAT
    0 ... 400hPa

  • Measuring principle

    Oxygen-sensitive molecules (marker) are integrated in an optical active layer (fluorescence layer). The fluorescence layer surface is in contact with the medium. The sensor optics are directed at the back of the fluorescence layer. The sensor optics transmit green light pulses to the fluorescence layer. The markers respond (fluoresce) with red light pulses. The duration and intensity of the response signals depend directly on the oxygen contents or partial pressure.

  • Design

    - Calibration data saved in sensor.
    High degree of EMC protection.

  • Material

    Sensor body : stainless steel 1.4571Membrane cap : POM

  • Dimension

    Diameter : 40mm
    (1.56inch)Length : 220mm
    (8.58inch)

  • Process temperature

    -5°C ... 60°C
    ( 23 - 140°F)

  • Process pressure

    max. 10bar
    (145psi)

  • Temperature sensor

    NTC temperature sensor, 0 to 50°C
    (32 - 122°F)

  • Connection

    Process connection: G1" thread
    Cable connection : fixed cable or TOP68 plug-in-head.

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