The built in microprocessor makes gold testing simple. Simply squeeze the special gel from the probe, press the button for the color of gold you are testing, and obtain the reading in karats and percent. Also reads "Platinum" and "Not Gold." These units test yellow, white, green, and red gold.
The GTXL18 is our most efficient gold tester for those testing 18 karat and below. Reads from 6 karat - 18 karat. 3 year manufacturer's warranty. Uses gel product code GEL.
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