Presidium?. Gem Tester II. The most trusted and sought-after colored gemstone tester has been redesigned with the user in mind to be more compact, sturdy and portable. Retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone.
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The PRIM II also works with new software that provides a database of more than 50 gemstones with their various properties and possible origins, and a program that enables the user to enter known properties of the gemstone such as color, S.G. value, hardness, etc to ascertain what possible gemstone it is from the database information.
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THINNEST RETRACTABLE PROBE TIP I PGT II features the industry’s thinnest retractable probe tip. Color: Presidium Gem Tester Complete Unit. Manufacturer: Presidium. INDUSTRIES MOST TRUSTED | Gemstone tester redesigned to be more compact, sturdy and portable.
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Spare probe for Presidium gem tester/duo tester (for PGT II & PDT) - Old Version with 6 pins (pre 2019). Presidium Gem Tester Probe.
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Model: Presidium Gem Tester II (PGT II). (1) Presidium Gem Tester II Unit. Analog Display with Stone Range Indicators for clear readings.
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Spare probe for Presidium gem tester/duo tester (for PGT II & PDT) - New Version 6 pin (2019 models and newer). Presidium Gem Tester Probe.
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THINNEST RETRACTABLE PROBE TIP I PGT II features the industry’s thinnest retractable probe tip. The Presidium Gem Tester II is based on the invention of Professor Julian Goldsmid from the University of New South Wales in Australia.
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AN INDUSTRY LEADERThe Presidium Gem Tester II is based on the invention of Professor Julian Goldsmid from the University of New South Wales in Australia. THINNEST RETRACTABLE PROBE TIP I PGT II features the industry’s thinnest retractable probe tip.
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