Fluke 1623-2 and 1625-2 KIT complete earth ground resistance tester kits adopt professional 3/4-pole measurement methods to accurately test lightning protection, PV power station and distribution equipment grounding systems. The 1623-2 meets general grounding acceptance requirements, while the upgraded 1625-2 adds ground voltage, leakage current measurement and data storage with superior anti-interference performance for high-standard inspection of large factories and power plants. IP54 rugged housing, fully equipped with probes and test cables, an all-in-one solution for on-site outdoor grounding tests.