Oxygen Sensor O2 Concentration

Oxygen Sensor for measuring the concentration of O2 in the air. Useful for crop monitoring, greenhouses, medical applications, etc. Current is in direct proportion to the amount of oxygen in the air.

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Last Updated: 09/30/2023





  • Sensor Type: Electrochemical
  • Detects the concentration of oxygen in the air by measuring current
  • Utilizes the electrochemical oxidation process on the internal electrode
  • Current produced by the reaction is in direct proportion with the concentration of Oxygen
  • Low consumption, High precision, High sensitivity, Wide linear range, Good anti-interference ability, Excellent repeatability and stability
  • Detects: O2 (Oxygen)
  • Measurement Range: 0% to 25% Vol
  • Maximum Detected Concentration: 30% Vol
  • Sensitivity: 0.1mA to 0.3mA (In air)
  • Response time: (T90)  less than 15 seconds
  • Recommended Load Resistance: 100 ohms
  • Repeatability: less than 2% output value
  • Stability: less than 2%
  • Zero drift (-20C to 40C): ≤0.1% Vol
  • Storage temperature: -20C to 50C
  • Storage Humidity: 0% to 99%RH
  • Pressure range: normal atmosphere±10%
  • Anticipated work life: 2 years
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