RD6A43 AquaSensor RDO Pro-X Optical Dissolved Oxygen Sensor

/RD6A43 AquaSensor RDO Pro-X Optical Dissolved Oxygen Sensor

RD6A43 AquaSensor RDO Pro-X Optical Dissolved Oxygen Sensor

Thermo Scientific™ AquaSensors™ measurement system for convenient plug & play.

Thermo Scientific AquaSensors RDO® Pro-X DO Sensor

• The latest generation in rugged luminescent dissolved oxygen technology for wastewater monitoring
• 0 to 20 ppm measurement range
• No membranes—only annual field replaceable caps
• High precision & accuracy with fast & stable response
• No conditioning necessary prior to use—fast start up
• Reduced maintenance—long lasting calibration
• Resists photo-bleaching and abrasive process media
• No “poisoning” by sulfides • No cross sensitivity to carbon dioxide, ammonia, pH, sulfide, sulfate, chloride, or hydrogen sulfide
• Plug & play design with digital network Interface
• Immersion and ball-float mounting configurations
• Versatile mounting configurations
• Three-year probe warranty


Thermo Scientific AquaSensors RDO Pro-X Dissolved Oxygen Sensor Connect this advanced optical dissolved oxygen sensor directly to a PLC for seamless integration with industrial control systems. Use any computer to display data, calibrate and customize the measurement without an intermediate analyzer electronics box. Optional AV38 local display/controller is also available for more conventional installations offering single or dual sensor inputs. This versatile system is ideal for monitoring all dissolved oxygen levels throughout a wastewater treatment plant.


  • Municipal and industrial wastewater
    • Aeration tanks
    • Aerobic digesters
    • Plant effluent monitoring (NPDES permit holders)
    • Anaerobic digesters
  • Aquaculture
  • Brewing
  • Fermentation
  • Bio-processing

Many applications also exist in chemical processing, food and dairy, pulp and paper, and other process industries