-FR3060A DC low resistance tester, also known as -ohmmeter, ohmmeter, DC ground resistance tester, adopts processor technology, four-wire test, safe, precise and reliable. It is an instrument for testing the quality of the equipotential connection of metal components -Metal riveting resistance for automobiles, ships, airplanes, equipment shells, protection belts, ground beams, structures, cabinets, steel bars, water pipes, windows, guardrails, radiators, and assembly lines. -The connecting conductor between various electrical equipment and the grounding grid, the DC resistance of the transformer. It can also measure the contact resistance of switches and socket contacts, and the low-value resistance of coils, metal wires, solder joints, etc. -Widely used in telecommunications, electric power, factories, meteorology, computer rooms, oil fields, power distribution lines, iron tower transmission lines, gas stations, factory grounding grids, rods, etc. It also has the function of measuring DC voltage and AC voltage. -FR3060A digital equipotential meter is composed of host computer, monitoring software, test line, communication line, etc. The large-screen LCD display of the main unit is clear at a glance. 500 sets of data can be stored, resistance measurement range: 0.01mΩ～30KΩ.