Presidium PDT Duo Tester-Identify Diamonds & Colored Stones Muller as the shape becomes rigid

as the shape becomes rigid

effectively giving you the service life of two laps in one unit

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

Featuring a chrome-plated head

The 23mm lens provides a wide field of view for close inspection of stones

Presidium PDT Duo Tester-Identify Diamonds & Colored Stones Muller as the shape becomes rigidThe 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