Gem Tester,High Precision Jewelry Diamond Tester,Diamond Tester kit,Built-in Glass Testing and Calibration (Cal) Test Disc.

Description. 1. This diamond tester has a highly compact design to help you identify real diamonds from 2. The tester comes with box and a small test platform for securing loose 3. LED light and result indication. 4. Simple calibration for all sizes of 5. It can be used even by novices. 6. Green indicator is displayed if the is a genuine diamond. It will a continuous buzzing sound when the user accidentally touches the metal instead of the Specifications: Product Name: Multi-purpose Gemst Measuring Instrument Length: 125mm (4.93 inches) Width: 90mm (3.55 inches) Height: 70 mm (2.76 inches) Weight: (without batteries): 220 g (7.76 oz) Features: Products Included: 1 x Gem Diamond Tester (batteries not included)

• Built-in glass and calibration (CAL) test disk to assist thermal calibration.
• Used to test and measure diamonds and gemstones, suitable for the gem industry, academic institutes,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 w/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.