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do_measurementprinciple [31/03/2015 13:35]
Consort Support [Measurement probe]
do_measurementprinciple [31/03/2015 13:35] (current)
Consort Support [Galvanic probe]
Line 7: Line 7:
 Molecules of oxygen dissolved in the electrolyte will diffuse to the surface of the cathode and pick up electrons which, in combination with water, will produce hydroxyl ions. At essentially the same time, hydroxyl ions will give up electrons at the anode and form an oxide. The resulting transfer of electrons establishes a current flow through an internal resistance which is measured as a voltage by the oxygen meter. Molecules of oxygen dissolved in the electrolyte will diffuse to the surface of the cathode and pick up electrons which, in combination with water, will produce hydroxyl ions. At essentially the same time, hydroxyl ions will give up electrons at the anode and form an oxide. The resulting transfer of electrons establishes a current flow through an internal resistance which is measured as a voltage by the oxygen meter.
  
-The membraned ​oxygen electrode offers the following advantages:+The membrane ​oxygen electrode offers the following advantages:
  
   * The membrane encloses the two electrodes in a captured volume of electrolyte,​ ensuring constant electrolyte strength and purity so that ions which might otherwise “poison” the probe are not present.   * The membrane encloses the two electrodes in a captured volume of electrolyte,​ ensuring constant electrolyte strength and purity so that ions which might otherwise “poison” the probe are not present.
do_measurementprinciple.txt · Last modified: 31/03/2015 13:35 by Consort Support