The Tri Electronics GT-4000 Pro Professional Electronic Gold Tester

The essential tool that goes to high range. Tests gold alloys from 6 to 24 karats in all four colors. Accurately tests from 6 to 18 and 24 karats values then range of 20-22 karats. No dangerous acids or messy harmful chemicals. Ecologically safe provides a numeric reading on the LCD display that corresponds to the karat table. Manufacturer’s repair or replacement warranty two years.

Size: 12” x 9” x 2” (305 x 254 x 76mm)
Weight: 2.0 lb (.900 kg)
Power: 2 9volt batteries

REPLACEMENT GELS:

Tb-289 Gel Yellow Used With Gxl-18 And Gt-3000 Gold Testers
Tb-24 Gel Pink Used With Gxl-24 And Gt-4000 Gold Testers