ET1115 Galvanic Oxygen Electrode

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The Galvanic Oxygen Electrode uses a sacrificial lead anode to drive an electrochemical reaction reducing oxygen at a platinum cathode. The signal is proportional to oxygen concentration. The electrode can be directly connected to the input of any e-corder model.

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Ideal for student experiments monitoring dissolved oxygen concentration.

  • Signal: 25 – 35 mV in air-saturated water at 25 °C
  • Oxygen consumption: 0.345 pmol O2/s per mV of signal
  • Drift: <2% per week at constant temperature and pressure
  • Response time: <30 s to 90% of final value at 25 °C
  • Body diameter: 12 mm

Additional information

Weight 0.1 kg