True RMS AC/DC solar clamp meter measuring current up to roughly 1000A, AC voltage to 1500V, and DC voltage to 2500V, with a 9,999-count backlit display and CAT III 1500V/CAT IV 600V rating for PV and high-voltage work. Its slim jaw fits crowded combiner boxes, and the IP65-rated housing handles outdoor rooftop conditions. This unit ships with a NIST-traceable calibration certificate for verified measurement accuracy.