... earthing, lightning protection grounding, anti-static grounding, earth electrode/wire/device/network tests, also adapt to ground resistance tests of electrical ... data, support to upload data to PC analyzing software by USB port and design test reportBig LED display with backlights, alarm ... resistivity0.02Ω.M-1000kΩ.M5%rdg+10dData Storage100 sets F1627KIT Multi-functional Ground Resistance Tester