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    AquaMetrix products have been manufactured for more than five decades. The company has grown into a worldwide maker of water quality instrumentation that is known for working in environments where nothing else works. Aquametrix products have been made in the United States since 2010.                          

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AM-ODO Optical Dissolved Oxygen Sensor

AM-ODO Optical Dissolved Oxygen Sensor


AquaMetrix has been selling polarographic dissolved oxygen analyzers for over four decades.
We are pleased to be able to offer the only optical dissolved oxygen sensor that outputs directly 4-20 mA either for the %-saturation or concentration (mg/l or ppm) or concentration (mg/l or ppm) and temperature. It can connect to a PLC or the AquaMetrix 2300 controller. Optical DO sensors offer advantages over electrochemical DO sensors in that they are inherently self-referencing, require no warm-up period, do not require flow and are less affected by fouling.

Maintenance is trivial. The sensor membrane lasts for approximately 2 years and is inexpensive to replace. The body is corrosion resistant and designed to stand up to the harsh environment.
No sensor on the market packs as much into one small package at such an affordable price.



  • Direct 4-20 mA output
  • Output choice of %-saturation or mg/l (ppm)
  • No electrolyte
  • Sample flow not required.
  • Very rugged
  • Replaceable membrane
  • Saltwater compensation with toggle .
  • Not affected by CO2 or H2S
  • Economically Priced


  • Wastewater treatment
  • Sewage treatment
  • Boilers
  • Agriculture
  • Aquaculture


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