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Measurements provide the vital information used to design and
verify the effectiveness of the earthing system either immediately after installation or as a maintenance task.
Soil resistivity measurements are used to provide a good representative soil model, which is vital in the design development. This model involves layers and their individual resistivity.
Earth resistance measurements help in assessing the performance
of installed earthing systems. The measured value will represent
the actual earthing arrangement and soil conditions and will not be subject to the approximation, introduced into calculations. Accurate measurements can often reduce the amount of mitigation required resulting in significant cost savings.
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