In this modern and very fast evolving times that we live in, technology advances every single day, and good grounding has become very important in preventing big expenses. The schedule break can happen because of the service interruptions, but with this device, this can be prevented. Good grounding can also prevent inoperative surge protection and guarantee good safety. The Ground Resistance Tester ETCR2000+ is a clamp on type of resistance tester, and it can measure impedance and ground rod, grid resistance and all of this without having to use any kind of auxiliary rods. What is unique about this clamp on ground resistance tester is that it can be used with multi grounded systems without needing to disconnect or turn off the energy of the ground system currently under test. The model is simple and easy to use.