Presidium Instruments Gem Tester II with Assisted Thermal Calibration for Identifying Diamonds/Moissanites and Common Colored Gemstones

The Presidium gem tester II with assisted thermal calibration provides a quick and easy way to identify diamonds/moissanite and separates up to 16 common colored gemstones based on their thermal conductivity with its clear and direct analog display. New included calibration features PGT II works on the thermal conductivity of the gemstone, its measurement will be affected by the testing environment. With the improved function of Assisted Thermal Calibration (ATC).

• 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/moissanite
• Simple easy to use: Clear and easy-to-read analog dial; Can differentiate 16 types of gemstones