What is the resistance meter?

Resistance meter is an electronic device used to measure the flow of electric current on the ground from probes embedded at regular intervals. Resistance is defined as the amount of resistance to the flow of flow, so the device can determine different soil composition based on values. These meters are used for soil surveys, groundwater location and even underground structures. The presence of water may allow the electric current to pass relatively freely and the resistance meter will show much lower values. A number of probes can therefore provide a visual idea of ​​composition of soil by preparing graphs from repeated measurements. This is known as the Wenner method, invented by Dr. Frank Wenner from the US Standard Office and is a common method of resistance measurement. The probes or bars should have the same gaps, with the distance between them three times to four times their length. The resistance meter is designed to measure a wider current range and resistance than a standard electric more meters.

In addition to determining the water content, electrical measurements also measure salt that contribute to corrosion. The resistance meter is often used to measure soil conditions near buried pipes and other metal structures. The protective rods called anodes can be placed at regular intervals to reduce corrosion. The anodes corrode prior to the structure and any stray electric currents are directed through the anodes to the ground.

Further use of soil resistance measurement is to determine the efficiency of the electrical grounding device. Electric substitute towers and buildings may have electric or lightning ground bars. The resistance exploration will help determine the best location for the grounding equipment and the efficiency of the installed systems. Changes in resistance over time can prove when repairing earthing systems is required due to corrosion or damage.

Resistance meter can determine the location of underground structures or artifacts. Electric soil resistance to mewith the introduction of open areas such as buried rooms or graves. The electrical resistance survey is prepared by placing probes in regular patterns. The differences in the deducts of the meter will show the presence of the underground, which differs from ordinary soil.