The Fluke 365 True-rms AC Clamp Meter with Detachable 18mm Jaw is a new, innovative Fluke clamp meter, offering a thin, small jaw design that makes it easy to get around tightly packed wires. The detachable jaw on a flexible lead makes access to wires and viewing the display easier than ever. The Fluke 365 measures current up to 200 A ac and dc with true-rms measurement.