Multi Gemstone Differentiation Tester Machine with 0.02ct Precision, Portable Thermal Conductivity Pen for Diamonds & Moissanites, Essential Jewelry Making Tool

(◕ᴗ◕✿) Welcome to this shop! ! !The gemstone tester features a clear, easy-to-read dial with thermally assisted calibration, offering a quick and easy way to identify diamonds and moissanite. It can distinguish up to 16 common gemstones based on thermal conductivity and its clear, simple analog display.✔ Features:Retractable thermoelectric probe tip to ensure constant pressure between the probe and the gemstoneIndustry's thinnest probe tip (0.6 mm)Tests gemstones as small as 0.02 caratsTests polished and unpolished gemstonesMetal buzzer ensures the probe tip is in contact with the gemstone during testingClear and easy-to-read analog dialDistinguishes between 16 types of gemstonesBuilt-in glass and calibration test disc (CAL) for reference✔ Specifications:Name: Gemstone TesterPower: Use 2 AA batteries or an (batteries not included)Length: 125 mm (4.93 in)Width: 90 mm (3.55 in)Height: 70 mm (2.76 in)Weight: 220 g (7.76 g) 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 promptly and we will answer your questions as soon as possible.

• ✔【GEMSTONE TESTER】: This 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; it can distinguish 16 types of gemstones.
• ✔【RETRACTABLE PROBE】: The thermoelectric probe of the retractable probe ensures that the pressure between the probe and the gemstone remains constant. The probe (0.6 mm) can be used to detect diamonds as small as 0.02 carats.
• ✔【ACCURATE DATA】: This professional diamond testing pen comes with a metal buzzer to ensure the probe remains in contact with the gemstone during testing. Consistent and reliable test results can be obtained every time, without waiting, and it is easy to use.
• ✔【THERMAL-ASSISTED CALIBRATION】: With a built-in snap-on glass and calibration test disc (CAL), you can easily calibrate your device yourself according to the testing environment. Note: Calibration may be affected during shipping. If you encounter any problems, please contact me.
• ✔【APPLICATIONS】: Used for testing and measuring diamonds and gemstones, suitable for the gem industry, academic institutions, laboratories, jewelry manufacturers, diamond grading companies, and retail jewelers.