Item #: ODOX200
Our Price: $1,650.00
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Dissolved Oxygen Sensor for Sea Water

The oxygen transducer - transmitter ODOX 200 is a robust measruring system for low maintenance /permanent operation in water.
In comparion to electrochemical sensors it operates without electrolyte, measuring is performend with luminiscence duration method. Together with the complete data calculation incl automatic ambient pressure and temperature compensation this is a hassle free package.
Measurement down to 30 m is possible.
Expected life time of the replaceable membrane in normal operation is 2 years.
The variant –PS is completely manufactured in PVC an therefore permanent seawater proof.
The instrument has to supplied from a DC power source 5-16V DC.
There are two signal outputs, configurable between either 4-20mA or 0-5 V.

The instrument can be calibrated with air saturated water or water saturated air


  • Continuous measurement in salt water
  • Optical Dissolved Oxygen Transmitter
  • Pressure and temperature Compensated
  • Salinity Compensation
  • Down to 30m depth
  • Dual analog outputs
  • Concentration & Saturation
  • Optical sensor no electrolytes required
  • Fluorescence method
  • Easy local calibration


Dissolved Oxygen Transmitter - Specifications

Sensor Type dissolved oxygen, optical (luminescent lifetime detection)
Response Time <30 seconds
Oxygen Saturation  
Range 0 to 200 % O2 sat.
Accuracy ±1.0% of the reading
Resolution 0.1 % O2 sat.
Oxygen Concentration  
Range 0 to 20 mg/l
Accuracy ±0.1 mg/l below 1 mg/l
±0.2 mg/l above 1 mg/l
Resolution 0.01 mg/l
Range -5 to 50 °C
Accuracy ±0.2°C
Resolution 0.1°C
Ambient Pressure  
Range 510 … 1120 hPa
Accuracy ±0.2 %
Resolution 1 HPa
Operating Conditions  
Operation Temperature -5-50 ºC
Maximum Pressure 3 bar or 30m water column
Power Supply Required 5 to 16VDC
Dimensions Sensor Body  
Length 225 mm
Mounting Length 70.5 mm
Diameter 42.1 mm
Mounting Diameter 28.0 mm
Process Connection 1" NPT others on request
Materials sensor housing  
Standard Version PVC Stainless Steel
Seawater Version PVC
Membrane PET


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