Extech GRT300-NISTL Earth Tester Kit CAT IV

The FLIR 4-Wire Earth Ground Resistance Tester is a versatile tool that measures earth ground in 4 ranges from 2 to 2000 Ohm. It features 4-wire, 3-wire, and 2-wire testing capabilities, making it suitable for a variety of applications.

It has Large dual line LCD for clear display of readings
Test Hold function for easy operation
Comes with Autoranging, Automatic Zero adjustment, Data Hold, and Auto Power off for convenience
AC Earth Voltage measurement up to 300VAC
Certified for safety standards and includes a 2-year warranty