Use this portable gold tester for accurate results on the go.
This portable gold tester from Tri-Electronics tests yellow gold from 6 to 24 karats and white gold from 6 to 18 karats, using ecologically-safe liquid. Reads for anything below 6 karats. Results appear on clear digital display. Unit operates on 3 supplied AAA batteries or optional AC/DC adapter (sold separately). Comes with a 2 year manufacturer's warranty.