Presidium PDT Duo Tester-Identify Diamonds & Colored Stones Muller Corrected for chromatic aberrations —

Corrected for chromatic aberrations — true color rendering without edge color fringing

25mm) 21-62 14K White

It features a 50 mm (2") foot and stands 75 mm (3")

Refillable 12" round leather sandbag — sold empty and ready to fill with sand or steel shot for a customized weight and feel

Presidium PDT Duo Tester-Identify Diamonds & Colored Stones Muller Corrected for chromatic aberrations —The Presidium PDT Duo Tester combines two distinct testing methods into a single professional instrument, giving jewelers and gemologists the tools needed to accurately identify diamonds, diamond simulants including synthetic moissanite and popular colored gemstones. Unlike a standard thermal tester alone, this unit simultaneously performs both thermal conductivity testing and digital reflectivity measurement through a single probe at the press of one