Klein Tools CL150 Clamp Meter, Digital AC Electrical Tester with 18-Inch Flexible ClampKlein Tools CL150 This clamp meter is easy to use, stand alone, and features an 18 Inch flexible clamp that allows access into panels and hard to reach areas (bundled wires, awkward conductors, and PLC cabinets). True RMS readings with CATIV 600V or CATIII 1000V safety rating. Features backlit LCD display, auto power off after 15 minutes, Max Min, Hold, Auto Ranging and Low Battery icons. Clamp meter for measuring AC current 18 Inch flexible clamp on