Dissolved oxygen analyzer

The Dissolved Oxygen Analyzer AX488 enables two continuous measurements of dissolved oxygen with simultaneous local display and transmission via analog outputs. The AX480  dissolved oxygen analyzer is used with 9408 sensing systems to provide accurate measurement of the dissolved oxygen value in a range of water monitoring applications.



The analyzer incorporates the latest technology to provide a highly reliable, yet flexible, feature-packed device that satisfies a diverse range of process monitoring and control applications. It is rugged and reliable for safe operation in harsh environments, simple to install and use, and requires minimum maintenance. Applications include Municipal waste-water treatment, aerobic effluent treatment in Pulp & Paper and Food & Beverage, and Fish Farming.


  • Cost-effective, lower investment compared to separate instruments
  • Range 0 to 20 ppm and 0 to 200 % saturation
  • Sensor life indicator
  • Salinity and atmospheric pressure correction capability as standard
  • Wall-, pipe- and panel-mount versions with IP 65 / NEMA 4X ingress protection
  • Continuous in-line diagnostics providing reduction in operating costs
  • Auto-Jet wash / Air clean – significantly reduces maintenance
  • Real-time clock and log book records alarm events
  • 2 to 4 current outputs and 3 to 5 relay contacts
  • Versatile power supply options: 85 to 265 V AC or 12 to 30 V DC
  • High visibility, multi-language display


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