Soil Resistivity - 4 Pin Wenner Method

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Conducting soil resistance measurements (ohms) and calculating soil resistivity (ohm-cm) utlizing the "4 Pin Wenner Method". This is a great tool/technique for cathodic protection technicians for mulitple purposes including cathodic protection design, troubleshooting and AC mitigation.

Resistivity Formula = 191.5aR (feet) or 2πaR (centimeters)
a=spacing
R=resistance measured