Duo Tester(PDT)

SKU: PDT Category:


The only gemological instrument in the industry that tests gemstones using both thermal and reflectivity testing.

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Product Description

Product Description

Presidium DuoTester is the only comprehensive tool on the market that combines two proven testing methods for gemstones. PDT differentiates diamonds from its simulants based on both their thermal conductivity and reflective indexes. Coated gemstones can also be generally tested with the PDT.

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Additional Information

Does not differentiate between natural and synthetic colored gemstones.

Product comes with 1-year warranty.

Can be powered by 5 AA batteries or through its USB port connected to external power source.