PRESIDIUM DIAMOND MATE A/C

A useful tool for instantly determining the authenticity of diamonds based on their thermal properties. Powered by three AAA alkaline batteries (PDMT-A) or an inbuilt rechargeable battery with an AC adaptor (PDMT-C).The adaptor is not included. Instantly verifies the authenticity of diamonds based on their thermal properties in a pocket-sized instrument. A retractable probe tip on the presidium diamond mate tester (PDMT) ensures constant pressure against the gemstone during testing for more reliable results. PDMT tests diamonds as small as 0.02ct with the industry's thinnest probe tip size of 0.6mm. A led light and continuous audible beep indicate test results instantly. It is available in two versions, one with 3 AAA alkaline batteries (Presidium DIAMOND MATE-A/PDMT-A) and the other with an inset rechargeable battery (PRESIDIUM DIAMOND MATE-C/PDMT-C). THE PDMT-C is equipped with a rechargeable battery and an ac adaptor (120 or 230 volts). FEATURES The retractable thermoelectric probe