Fluke-1623-Basic-GEO-Earth-ground-tester-Fluke-FLUKE-1623-The-Fluke-is-a-distinctive-earth-ground-tester-that-can-perform-all-four-types-of-earth-ground-measurement-Specifically-the-Fluke-1623-tester-is-able-to-measure-earth-ground-loop-resistances-using-only-clamps-called-Stakeless-testing-This-method-does-not-require-the-use-of-earth-ground-stakes-or-the-disconnection-of-ground-rods-Fluke-1623-Basic-Geo-Earth-Ground-Tester