Triplett 9200-A Mini AC Clamp Meter measures AC current up to 300A. The Triplett 9200-A features data hold, 4000 count illuminated display, low battery indication, shock-absorbing case, 3 year limited warranty, and more. The Triplett 9200-A Mini AC/DC Clamp Meter is a very feature packed unit great for security, home theater, electrical, HVAC, you name it. With AC measurements up to 300A and overload protection, the Triplet 9200-A is a truly capable multimeter.