Gem Tester,Diamond Tester,Precious Metal Verifier

Specifications:Name: Gemstone TesterPower supply: Use 2 AA batteries or (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.

• Gemstone & Diamond Tester** – Utilizes thermal conductivity technology to distinguish and identify diamonds and moissanite. Clear analog dial displays results for 16 types of gemstones with ease.
• Retractable Thermoelectric Probe** – Features a 0.6mm retractable probe that maintains constant pressure between probe and gemstone. Detects diamonds as small as 0.02 carats for precise testing.
• Accurate with Metal Alarm Buzzer** – Professional tester includes a built-in alarm buzzer to ensure consistent probe contact during testing. Delivers reliable results every time without waiting.
• Assisted Thermal Calibration** – Includes a plug-in glass calibration disk for easy self-calibration based on testing environment. Ensures accuracy with simple, user-friendly adjustment.
• Wide Application Range** – Suitable for gem industry professionals, academic institutions, laboratories, jewelry manufacturers, diamond appraisal companies, and retail jewelers. Ideal for gemstone identification and quality assessment.