Presidium Duo Tester II Assisted Thermal Calibration & Comprehensive Gemstone Testing

The only comprehensive tool in the market that combines thermal conductivity and reflectivity indexes. Now with Presidium
The only comprehensive tool in the market that combines thermal conductivity and reflectivity indexes. Now with Presidium's Assisted Thermal Calibration (ATC) for accurate and consistent tests. Adaptor Included.

Presidium Gem Tester/Colored Stone Estimator II, PGT II

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Presidium Diamond Tester Duotester (PDT II)

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Environmental assessment in fine jewelry in the U.S.-Mexico's Paso

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Presidium Duo Tester II (PDT II) - Calibration

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Presidium Duo Tester II Assisted Thermal Calibration

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