This 4000-count clamp-on meter measures AC current to 600A, voltage to 750 Vac and 1000 Vdc, and resistance to 40M ohms. Extra functions include a K-type digital thermometer, high capacitance range to 4000µF, continuity beeper, and display backlight. These extra features enable more specialized troubleshooting such as measuring flame rod safeguard current and testing motor run/start capacitors. Accommodates conductors up to 1.3" in dia. Auto power-off and low battery indicator. Fully overload protected.CAT III 600V safety rated. Comes with test leads, K-type temperature probe, 9V battery, and carrying case.