Presidium Duo Tester PDT Diamond Gemstone Tester

Retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone Industrys thinnest probe tip (0.6mm) for testing

Gem Tester II: Quick Diamond/Moissanite Identification & Colored Gemstone Separation

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Presidium Duo Tester PDT Diamond Gemstone Tester

Presidium Duo Tester Outlet Styles

Presidium - Duo Tester Thermal/Reflectivity

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The Presidium DuoTester differs from the Presidium Gem Tester in that the Presidium DuoTester includes a digital reflectivity measurement function.

Presidium PDT Duo Tester-Identify Diamonds & Colored Stones

Presidium Duo Tester II (PDT II) - Calibration

Presidium Multi Tester III (PMuT III) All-in-One Instrument for Testing Diamonds, Moissanites and Diamond Simulants : Arts, Crafts & Sewing