Starting at $4,842.57
  • Usually ships in 1-2 weeks



  • Memosens optical oxygen sensor
  • Hygienic design according to EHEDG and ASME BPE
  • Measurement range:
    • 0,004 to 30 mg/l
    • 0,05 to 330 %SAT
    • 0,1 to 700 hPa
  • Digital, optical (luminescence) dissolved oxygen measurement
  • Measurement possible in still water
  • Stainless steel sensor body


The E+H Memosens COS81D Oxygen Sensor is the ideal oxygen sensor for hygienic applications such as fermentation and inertization. Its precise, long-term stable measurements and its permanent self-monitoring ensure the most reliable measured values to help meet your desired product quality and optimize product yield. Thanks to Memosens digital technology, COS81D combines maximum process and data integrity with simple operation. It enables lab calibration and facilitates predictive maintenance.

Memosens COS81D measures oxygen in applications with high demands to sterility and hygiene such as:

  • Fermentation
  • Inertization
  • Drinking water production