Presidium Diamond Mate (PDMT-A)

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Presidium® Diamond Mate is a premium entry the brand's line of testers that utilize properties of electro-thermal conductivity and PRESIDIUM's signature, retractable probe tips, wh ich maintain consistent pressure against the gemstone during testing, to accurately verify the authenticity of diamonds and moissanite.Metal-contact audio alert ◆ Seven hours continuous use ◆ Virtually instant results ◆ No waiting time between tests ◆ Easy-to-read display with LED indicator ◆ Low-battery indicator with auto-off ◆ AC and battery power ◆ One-year manufacturer's warrantyThe PDMT-A is powered by a 120 - 230 V adapter (sold separately) or three (3) AAA batteries (sold separately). We also carry the PDMT in a rechargeable version (PDMT-C). Show more