Diamond Moissanite Tester, High Precision Jewelry Diamond Tester, Built-in Glass and Calibration (Cal) Test Disk, 16 Kinds of Gems Can Be Tested, for Identifying Diamonds

Retractable thermoelectric probe tip ensures constant pressure between probe and stone Probe tip (0.6mm) for testing stones as small as 0.02ct Metal alarm buzzer ensures probe tip is in contact with the stone during testing Clear and easy-to-read analog dial Can distinguish 16 kinds of gemstones Built-in glass and calibration (CAL) test disk for reference Specification: Power supply method: Use 2 AA batteries or adapter (batteries not included) size: Length: 125 mm (4.93 inches) Width: 90mm (3.55 inches) Height: 70mm (2.76 inches) Products include: 1 x Gem diamond tester

• 【Includes Supported Thermal Calibration】Calibrate your device now easily for your test environment.
• 【Thinnest Retractable Probe Tip】With retractable probe tip. The gemstone tester has been redesigned to be more compact, robust and portable.
• 【Simple And Easy To Use】Clear and easy-to-read analogue dial; can distinguish 16 types of gemstones.
• 【Fast And Safe】This diamond selection tester is designed for fast, precise and safe diamond testing. No harm to diamonds.
• 【Versatile And Reliable】Consistent and reliable results every time. Identifies Diamonds/Moissanites.