For slightly more than the cost of a test acid kit, the ET-18 precisely determines gold karat values equal to or greater than 10K, 14K, and 18K. Pocket sized and battery operated.
TES-174.00 - RS Mizar ET-18 Gold Tester - Jewelry Tools Demo
For slightly more than you would pay for an acid test kit- you can own the ET18 Electronic Touchstonetm Gold Tester. FEATURES: Ultra-portable Battery
Et18 RS Mizar Electronic Gold Tester
M-18-A9 GOLD TESTER-TES-172.00
Replacement Chemical Kit for Gold Tester Mizar ET18 and M18a9 | Esslinger 56.820
ET18 Electronic Gold Tester Replacement Solution - RioGrande
TES-174.00 - RS Mizar ET-18 Gold Tester - Jewelry Tools Demo
ET-18 Gold Tester JT5460 - HomeBello
ET-18 GOLD TESTER Shopping Online In Karachi, Lahore, Islamabad
ET-18 Mizar Electric Gold Tester Karat Value Jewelry Scrap Testing Kit Jewelers Tool Set -TES-174.00
14K Vs. 18K Gold: Which is Better?