Tri Electronics GXL-18 Professional Gold & Platinum Tester (6K - 18K)

Tri Electronics

  • $299.95
  • Save $199

If you need the best, most advanced, and most reliable Electronic Gold Tester in the World, the Tri Electronics GXL-18 Electronic Gold Tester is the one you've been waiting for!

This is the most popular and easy-to-use Gold Tester.  This tester is also the most dependable Electronic Gold Tester ever made.

This tester reliably measures gold karatage to the nearest karat in the 6 to 18 karat range. Above 18 karats, the unit reads 18 karats or more.
Karat readings appear directly on its LCD display. The unit also detects platinum and distinguishes between solid and gold plated items.

Two Year Manufacturer’s Repair/Replacement Warranty.


  • Size: 12” x 10” x 3” (305 x 254 x 76mm)
  • Weight: 3 lb (1.35 kg)
  • Power: two 9-Volt batteries (included)
  • Comes with durable hard case with secure compartments for all accessories
  • Optional power supply
  • Replacement gel: TB-289
  • Suggested retail: $475.00

All Tri Electronics Testers are of the highest quality, and they include features commonly found only on more expensive testers.

Tri Electronics Testers also feature the best warranty coverage in the industry.

The product is guaranteed to be factory fresh, shipped promptly in the manufacturer's box and covered by the Manufacturer's Warranty.

Tri Electronics GXL-18 Electronic Gold Tester - Owner's Manual

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