The Triplett 9200 is a 3 3/4 (4000 count) mini AC digital clamp-on meter with a large display. It measures 300A True RMS AC Current and features a Data Hold function. Built-in non-contact AC Voltage tester. The ABS plastic housing provides impact and drop resistance in a sleek ergonomic design, and the user-friendly Auto Ranging helps maximize results. With an industry standard CAT III 300V design it provides resistance to damage from transient overvoltages in any demanding settings. The Model 9200B is suited for a variety of commercial and residential applications such as security, electrical, HVAC installations and more. Includes wrist strap, 2 x 1.5V AAA batteries and case.