Brantax - engineering survey

underwater, underground
and surface investigation

Wenner

The Wenner array is now seen to be a simple variant of the pole-dipole in which the distant pole at infinity is brought in and all the electrodes are given the same spacing, “a”, as seen in the following configuration

Roa=2*PI*a*V/I

 Wenner

The Wenner array is normally used for sounding and the apparent resistivities are plotted vs. “a” such as is shown in figure.