Extech GRT350

The Extech GRT350 is a 4-Wire Earth Ground Resistance and Resistivity Tester which measures earth ground resistance from 2 Ohm to 2000 Ohm and resistivity from 0.06 ohm-m to 628 ohm-m. The GRT350 supports 4-wire, 3-wire, and 2-wire testing. It has a large dual line LCD, automatic spike check, test hold function, auto ranging, data hold, and auto power off function. This tester can also store and recall up to 200 test results and has over range and low battery indications. Product is complete with test leads with alligator clips, 4 auxiliary earth bars, hard carrying case, user's manual, and eight 1.5 V AA batteries. CE certified with a CAT IV 300 V safety rating.