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AquaSensors RDO® Pro Optical DO Sensor

  AquaSensors RDO® Pro Optical DO 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.


   Product Detail


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.

  • 0 - 20 ppm measurement range
  • No membranes - only annual field replaceable caps
  • 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
  • Three-year sensor warranty

Typical applications

  • Municipal and industrial wastewater
  • Aquaculture
  • Brewing
  • Fermentation
  • Bio-processing
  • Many applications also exist in chemical process, food and dairy, pulp and paper and other process industries

Dissolved oxygen (DO) is one of the most important parameters monitored when evaluating water quality, aquatic biology, and related processes.  Until development of optical DO technology, the ability to accurately monitor DO levels over long periods of time was limited.  Electrochemical sensors (Clark, Galvanic) require sample stirring or process flow and are functionally limited by the durability of their membrane and electrode, while galvanic diffusion types offer characteristically slow response.

 AquaSensors RDO® Pro Optical DO Sensor
 Product# Price  Description  
       
 RD5A43      -    Optical RDO Pro Sensor with Modbus RTU (RS485) Interface and 30' (10m) cable   SELECT  
 RDC1      -    Replacement RDO Optical DO Sensing Cap   SELECT  
 RDN1      -    Replacement RDO Sensor Nose Cone   SELECT  
 RDG1      -    Replacement RDO Sensor O-ring(s)   SELECT  
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Specifications:
Range :0 to 20 ppm, 0 to 200% saturation
Resolution :Below 10 ppm; 0.01 ppm, 0.1% sat

Above 10 ppm; 0.1 ppm, 0.1% sat

Accuracy :±0.1 ppm up to 8 ppm ±0.2 ppm from 8 to 20 ppm
Step Response Time :90% in 30 seconds (at 25ºC) 95% in 37 seconds
Temperature Range :0ºC to 50ºC (32ºF to 122ºF)
Maximum Pressure :300 psig @ 50ºC
Maximum flow rate :No flow required
Voltage Range :8 to 36 VDC
IP Rating :IP-67 with cap off, IP-68 with cap installed
Dimensions :203.2 mm x 47 mm
Warranty :Sensor: 3 years Sensor Cap: 2 years