Jewelry Diamond Tester,Professional Gemstone Tester Pen,Gemstone Size Minimum 0.02 Carats,for Accurate Identification of Diamonds and Colored Gemstones

♥ Welcome to my shop⧪ This professional tool can accurately detect gemstones as small as 0.02 carats—isn't it exactly what you've been looking for?⧪Features:1. Retractable thermoelectric probe tip2. Tests both polished and uncut gemstones3. Metal alarm buzzer4. Clear and easy-to-read analog scale5. Built-in glass calibration test plate (CAL)6. Can distinguish 16 types of gemstones⧪Specifications:-Name: Gemstone Tester-Power: Uses 2 AA batteries or AC power supply (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)-Probe tip: 0.6 mm-Gemstone size: Minimum 0.02 carats⧪Included:1 x Gemstone & Diamond Tester Kit⧪Precautions:1. Due to differences in measurement methods and screen display, there may be an error of 1-3 cm.2. For best measurement results, please ensure your labels and products conform to our size specifications.♥ If you have any questions or concerns, please contact us. We will reply within 24 hours and do our best to assist you.

• ⧪【Gemstone Tester】Gemstone tester uses thermal conductivity testing technology to accurately distinguish between diamonds and moissanite. The clear dial supports identification of 16 gemstone types.
• ⧪【High-Precision Testing】Equipped with a retractable thermoelectric probe, it maintains uniform and stable testing pressure. It can detect diamonds as small as 0.02 carats, and the 0.6mm probe easily handles tiny gemstones.
• ⧪【Stable and Reliable】A built-in metal contact alarm buzzer provides real-time indication of probe contact status. Testing is instant, with results displayed immediately, ensuring consistent and reliable results every time.
• ⧪【Self-Calibration】A built-in calibration test disc supports self-calibration based on environmental conditions. If data deviates after transportation, recalibration can be easily performed, ensuring long-term measurement accuracy.
• ⧪【Widely Applicable】Suitable for various scenarios such as gemstone identification, academic research, laboratory testing, jewelry processing, and retail, it is a professional tool for the jewelry industry and related institutions.