The Triplett EG480-NIST can measure 2- and 3-wire Earth Ground Resistance (in 3 ranges) and Earth Voltage (200V), plus multimeter functions AC/DC Voltage and Resistance (200kΩ). Additional features include: Dual LCD display with backlight, Data Hold, Auto power off, and a low battery indicator. CAT III 1000V safety category. Includes Certificate of Traceability to N.I.S.T., test leads, (2) auxiliary earth rods, (6) AA batteries, and carrying case. 1-year warranty.