Extech GRT300 Earth Tester Kit CAT IV [GRT300]; 288-0311

The FLIR 4-Wire Earth Ground Resistance Tester is a reliable tool for measuring earth ground resistance in various ranges. With features such as 4-wire, 3-wire, and 2-wire testing, large dual line LCD display, and automatic spike checks, this tester ensures accurate results. The kit includes test leads, earth bars, carrying case, and batteries, making it a complete solution for all your earth ground measurement needs.

Test hold function for simplified operation

Automatic zero adjustment for accurate readings

AC earth voltage measurement capability

Overrange and low battery indication for enhanced usability