Gem and Diamond Tester,Electronic Gemstone Diamond Tester,for Identifying Diamondsand Common Colored Gemstones

Retractable thermoelectric probe tip ensures constant pressure between probe and stoneMetal alarm buzzer ensures probe tip is in contact with the stone during testingBuilt-in glass and calibration (CAL) test disk for referenceProbe tip (0.6mm) for testing stones as small as 0.02ctCan distinguish 16 kinds of gemstonesClear and easy-to-read analog dialSpecification: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

• ◆ Used to test and measure diamonds and gemstones, suitable for the gem industry, academic institutes, laboratories, jewelry manufacturers, diamond appraisal companies and retail jewelers.
• ◆ The gemstone tester uses the principle of thermal conductivity to help distinguish diamonds and other imitations. It is equipped with a clear and easy-to-read analog dial to help users distinguish 16 common gemstones.
• ◆ The retractable thermoelectric probe head ensures that the pressure between the probe head and the gemstone remains constant. The probe head (0.6mm) can be used to detect diamonds as small as 0.02 carats.
• ◆ The metal alarm buzzer ensures that the probe head maintains contact with the gemstone during testing. Get consistent and reliable test results every time, no waiting, and easy to use.
• ◆ Built-in glass and calibration (CAL) test disk to assist thermal calibration.