Grounded electrical systems are a critical part of any facility or structure, to protect it from lightning strikes or utility overvoltages. To help ensure a reliable grounding system, the Fluke 1625-2 allows you to perform 4 types of earth ground measurements easily, accurately, and safely. Reach out to us to see how Fluke 1625-2 can help you check on your grounding system: http://bit.ly/Learn1625-2 | Fluke South East Asia