Gemstone Tester, Gemstone and Diamond Tester, Jewelry Tester with Assisted Thermal Calibration for Identifying Diamonds, Common Colored Gemstones

Gemstone tester features a clear, easy-to-read dial with assisted thermal calibration providing a quick and easy way to identify diamond/moissanite, distinguishing up to 16 common gemstones based on thermal conductivity and its clear, straightforward analog display. Features: Retractable thermoelectric probe tip to ensure constant pressure between probe and gemstone The industry's thinnest probe tip (0.6mm) For testing gemstones as small as 0.02 carats Tests polished and unpolished gemstones Metal alarm buzzer ensures probe tip is in contact with gemstone during testing Clear and easy-to-read analog dial Can distinguish 16 types of gemstones Built-in glass and calibration (CAL) test disk for reference Specifications: Name: Gemstone Tester Power supply: Use 2 AA batteries or adapter (batteries not included) Length: 125 mm (4.93 inches) Width: 90 mm (3.55 inches) Height: 70 mm (2.76 inches) Weight: 220 g (7.76 oz) Product Includes: 1 x Gemstone Diamond Tester Kit 【Excellent Service】As an honest international seller, customer satisfaction is our top priority. If you have any questions about the product, please email us in time and we will answer your questions as soon as possible.

• 【Accurate Data】: Professional diamond test pen comes with a metal alarm buzzer to ensure that the probe remains in contact with the gemstone during the test. Consistent and reliable test results can be obtained every time, without waiting, and it is easy to use.
• 【Assisted Thermal Calibration】: Built-in plug-in glass and calibration (CAL) test disk, you can easily calibrate your device yourself according to the test environment. Note: Calibration may be affected during transportation. If you encounter problems, please contact me.
• 【Application Range】: Used for testing and measuring diamonds and gemstones, suitable for the gem industry, academic institutions, laboratories, jewelry manufacturers, diamond appraisal companies and retail jewelers.
• 【Gemstone Tester】: Diamond testing instrument uses the principle of thermal conductivity to help distinguish and identify diamonds/moissanite, with a clear and easy-to-read analog dial; 16 types of gemstones can be distinguished.
• 【Service】: We are very sorry for the shopping experience you have experienced. If you have any problems with the goods you received, please contact us and we will serve you 24 hours a day.