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Earth Measurements

AMEC uses state-of-the-art testing equipment for all earthing measurements.

Earth Resistance Measurement

Measurement of Earth Resistance is a vital part of the maintenance of any electric installation. The function of a sound earthing system is to ensure that all electric equipment are connected to the ground potential. Hence, a well-maintained earthing system ensures the proper functioning of protection systems, absorbs electrical noise and provides safety to operating personnel. The earth resistance is measured using an earth megger.

Step & Touch Potential

The most reliable method for determining the potential risk of personal injury is the step and touch voltage approach.  Step potential is defined as the potential difference between a person’s outstretched feet, without the person touching any earthed structure.

Touch potential is defined as the potential difference between a person’s outstretched hand touching an earthed structure and his foot.   Touch voltages can then be measured on the fencing surrounding the respective substation or other potential contact danger areas.

Earth Pit Potential

AMEC has the expertise and necessary equipment to undertake the earth pit potential measurement testing.