The earth protects the equipment and personnel from the fault current. I hope you will find it informative and helpful. An earth resistance tester is an instrument which measures earth resistivity. This is conductivity (also known as low resistance). Earth resistance is measured in two ways for two important fields of use: 1. EXPLORE. The resistance of the earth is very low.The fault current through the earth electrode passes to the earth. Earth Tester Definition: The instrument used for measuring the resistance of the earth is known as earth tester. This can be made without using any auxiliary earth electrodes and without disconnection of the single earth electrode from the rest of the installation. PRODUCTS. Tester for complete and rapid appraisal of earths.Multi-function measurement:Earth resistance, earth coupling, soil resistivity and continuity/resistance.Ergonomic:Rugged, watertight field enclosure with giant backlit LCD display.Direct access to measurements by selector switch.Battery can be … But it also has an electrical property. First, average depth of the pipeline was found from a profile map. Hi friends, In this article, I am going to describe the earth tester working principle and method of earth resistance measurement by it. They used a Megger earth tester to make a survey along the line. An earth clamp tester can be used for measuring the earth resistance of a single earth electrode if it is connected to a multiple-earth system, where many earth electrodes are connected in parallel. We usually think of soil as something to plant things in. Clamp Earth Resistance Tester is widely applied in ground resistance measurement, loop resistance measurement in fields such as electric power, telecommunications, meteorology, oil field, architecture and industrial electrical equipment, etc. 760 earth resistance tester products are offered for sale by suppliers on Alibaba.com, of which resistance meters accounts for 38%, testing equipment accounts for 9%, and other test instruments accounts for 1%. 4-Wire Earth Ground Resistance/Resistivity Tester Measures earth ground resistance from 2 to 2000 Ohm and resistivity from 0.06 to 628 kOhm-m. So what is earth resistance? The Resistance of the earth can be measured with the help of megger earth tester or earth megger.. Earth Tester Working Principle | … When measuring ground system with loop, there is no need to disconnect the ground wire All the equipment of the power system is connected to the earth through the earth electrode. Say, flowers or vegetables.