Presidium Digital GEM Refractometer (PRIM II) - Measures RI Value for Diamond & Moissanite
- INCLUDED ASSISTED THERMAL CALIBRATION | Now easily self calibrate your device to your testing environment.
- INDUSTRIES MOST TRUSTED | Gemstone tester redesigned to be more compact, sturdy and portable.
- THINNEST RETRACTABLE PROBE TIP I PGT II features the industry’s thinnest retractable probe tip.
- VERSATILE AND RELIABLE | Consistent and reliable results every time. Identifies diamonds/moissanites.
- SIMPLE & EASY TO USE | Clear and easy-to-read analog dial.