Electrode array

The Wenner electrode array consists of a line of four equally spaced electrodes. Current is injected through the outer electrodes and potential is measured between the inner electrodes.

An electrode array is a configuration of electrodes used for measuring either an electric current or voltage. Some electrode arrays can operate in a bidirectional fashion, in that they can also be used to provide a stimulating pattern of electric current or voltage.

Common arrays include:

  • Schlumberger (Wenner)
  • Wenner alpha
  • Wenner beta
  • Wenner gamma
  • Pole-pole
  • Dipole-dipole
  • Pole-dipole
  • Equatorial dipole-dipole

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