Similar to the Tri Electronics microprocessor gold testers in operation, these models give a numeric reading on their LCDs. The user then consults a chart to determine the karat. They test yellow, white, green, and red gold in a matter of seconds. The GT4000, high karat gold tester measures from 6 karat - 24 karat. It is covered by a 2 year manufacturer's warranty.
Uses Gel: GEL24I
your cart is empty
