The Tri Electronics GXL-18 Pro Professional Electronic Gold Tester

The most popular and easy to use electronic gold tester. Most dependable gold tester ever made. Reliably measures gold karattage to the nearest karat in the 6 to 18 karat range. Above 18 karats unit reads 18 karats or more. Karat readings appear directly on lcd display. The unit also detects platinum and distinguishes between solid and gold plated items. Two years 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
Optional power supply $20.00

Replacement gel available