Diamond Gemstone Tester, Jewelry Tester with Differentiates Between 16 Gemstones, Thermal Conductivity Meter, Diamond Tester Pen-with Assisted Thermal Calibration

Features:Retractable thermoelectric probe tip to ensure constant pressure between probe and gemstoneThe industry's thinnest probe tip (0.6mm)For testing gemstones as small as 0.02 caratsTests polished and unpolished gemstonesMetal alarm buzzer ensures probe tip is in contact with gemstone during testingClear and easy-to-read analog dialCan distinguish 16 types of gemstonesBuilt-in glass and calibration (CAL) test disk for referenceSpecifications:Name: Gemstone TesterPower 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★If you have any questions, please contact us. At the same time, there are many else in our store, you are welcome to find something you like! We are always ready to serve you!!

• ★【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.
• ★【Retractable Probe】: Retractable probe's thermoelectric probe ensures that the pressure between the probe and the gemstone remains constant. The probe (0.6mm) can be used to detect diamonds as small as 0.02 carats.
• ★【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.