Starting at $2,675.97
  • Usually ships in 2-3 weeks



  • Measuring ranges:
    • 0 to 20 mg/l
    • 0 to 200 %SAT
    • 0 to 400 hPa
  • NTC 30K temperature sensor
  • G1, NPT 3/4in process connection
  • Fixed cable or TOP68 plug-in-head cable connection
  • Long-term stability
  • Outstanding performance in all aeration processes (SBR, Anamox, etc.)
  • Chemical-free: no electrolyte handling


The E+H Oxymax COS61D Oxygen Sensor is a high-performance, digital oxygen sensor that offers fast, accurate and drift-free measurement. It supports your process with low maintenance, high availability and easy handling. The sensor's long-term stable fluorescence layer is exclusively oxygen-selective (interference-free), ensuring consistently reliable measurement. Thanks to Memosens digital technology, the Oxymax COS61D combines maximum process and data integrity, and facilitates simple lab calibration.