Electronic Diamond Tester with Analog Pointer Board and Visual Indicator Light, Professional Thermal Conductivity Tool for Accurate Gemstone and Jewelry Authentication

This professional diamond tester utilizes advanced thermal conductivity technology to quickly, accurately, and non-destructively distinguish between natural diamonds, moissanite, and other synthetic gemstones, making it a powerful tool for jewelry appraisal and trading.▶Features:✔Accurate Identification: Based on the excellent thermal conductivity of diamonds, the test results are accurate and reliable.✔Easy Operation: Automatic calibration, equipped with a clear and easy-to-read analog dial, ready to use right out of the box.✔Portable and Durable: Supports dual power supply via battery and power a dapter, usable anytime, anywhere.✔Safe and Non-Destructive: The testing process will not cause any scratches or damage to the gemstones.✔Widely Applicable: Suitable for the rapid identification of diamonds, moissanite, and common colored gemstones.▶Specifications:Product Name: Professional Gemstone TesterColor: BlackOperating Temperature: 18°C ​​– 27°C (65°F – 80°F)Storage Temperature: -10°C – 50°C (50°F – 122°F)Standby Time: Automatically enters standby mode 5 minutes after the last measurementDisplay Size: 73.5 mm x 44.0 mm (Analog pointer dial)Product Weight: Approx. 295 grams▶Package List:1 x Diamond Tester1 x Retractable Probe Head1 x AC Power A dapter1 x Instruction Manual1 x Protective Carrying CaseIf you have any questions about the product or need further assistance, please contact us via email. We will reply within 24 hours.