Presidium® Gem Tester II

The Presidium® Gemstone Tester / Colored Stone Estimator is the only colored gemstone thermal tester in the industry. It provides a quick and easy way

Presidium® Gem Tester II – ZAK JEWELRY TOOLS

Discover the Presidium Gem Indicator Handheld Digital Tester for 31 Gemstone Types

Presidium Instruments Gem Tester II (PGT II) with Vietnam

Summary, Bench model. A dual tester with both thermal meter and reflectivity meter., Place the probe on the stone to operate analogue meter (the

Presidium Duo gem tester (model PDT-II)

Black Presidium Gem Tester, For Industrial, Size: 150 Mm at Rs

Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal

Presidium Gem Tester

Singapore PRESIDIUM Gem Tester II, testing 16 kinds of gems - AliExpress

How to Calibrate Presidium Gem Tester II (PGT II) Tutorial

Sachi Store Diamond & Gem Testers