Tri Electronics GXL-24 Professional Electronic Gold Tester (6K - 24K)

Tri Electronics

  • $359.95
  • Save $339

If you test gold often, need to obtain results quickly and confidently, and want a tester that'll work with the same speed and intensity as you do, then the Tri Electronics GXL-24 PRO is the right tool for you.

As one of the most popular testers among professional jewelers, pawnshop owners, and antique dealers, the GXL24 series has amassed a reputation for reliability and accuracy. It can accurately identify gold to the single karat in an unprecedented 6 karat to 24 karat range. The GXL-24 has no problem helping you identify platinum or gold plating, and will output the results of each test on an easy-to-read LCD display. European owners of the GXL-24 series will appreciate the ability to see the percentage of gold as an alternative to the karat value.

Don't worry about damaging your precious gold--testing with the Tri Electronics GXL-24 is entirely innocuous, and doesn't require the use of any sort of acids. Instead, the tester relies on a safe, and long-lasting testing gel refills which lasts for 300+ tests. Complete instructions are included with the tester in the form of a user's manual and an instructional DVD.

The GXL24 PRO is powered by two 9-volt batteries, or through an optional AC adapter. The tester comes in a sturdy plastic case with foam insert to protect it during transport and travel, and is backed by a 3-year manufacturer's warranty.


  • Uses traditional gel refills good for 300+ tests
  • Tests yellow, rose, green, or white gold from 6K to 24K in one karat intervals
  • Safe, non-destructive testing
  • Displays karat or percentage values as results on its LCD screen
  • Includes an instructional DVD
  • Durable hard plastic carrying case with foam inserts
  • Powered by two 9-volt batteries or an optional AC adapter
  • Dimensions: 12" x 10" x 3" (305 x 254 x 76 mm)
  • 3 year manufacturer's warranty
The GXL-24 tester uses gel which are good for 300+ tests. It cannot be used with liquid refills.

Tri Electronics GXL-24 Pro Gold Tester Manual | Watch the Informational Video

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