Digital oxygen sensor Oxymax COS51D

Digital oxygen sensor Oxymax COS51D

Memosens amperometric oxygen sensor for water, wastewater and utilities

Oxymax COS51D is a reliable and highly accurate oxygen sensor for all kinds of water & wastewater applications (including hazardous areas). Designed to be low-maintenance with a long operating life, the sensor offers outstanding value for money. Thanks to Memosens digital technology, the Oxymax COS51D combines maximum process and data integrity with simple operation. It resists corrosion and moisture, enables lab calibration and facilitates predictive maintenance.


  • Maximum measurement accuracy
  • Storage of calibration data in sensor
  • Intelligent, self-monitoring sensor
  • Minimum calibration effort thanks to simple air calibration

Field of application

  • Sewage treatment plants:
    Oxygen measurement and regulation in the activated sludge basin for a highly efficient biological cleaning process
  • Water monitoring:
    Oxygen measurement in rivers, lakes or seas as an indicator of the water quality
  • Water treatment:
    Oxygen measurement for status monitoring of drinking water (oxygen enrichment, corrosion protection, etc.)
  • Fish farming:
    Oxygen measurement and regulation for optimum living and growth conditions

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