High Precision Jewelry Diamond Tester, Diamond Moissanite Tester with Pointer Board and Indicator Light, Automatic Calibration, Gemstone Tester with Professional Reading and Accuracy

Professional diamond tester specially designed for quick and easy distinguishing between diamonds, moissanites and other artificial stones.♒ Specification:Product name: Gem DetectorColour: BlackOperating temperature--18°C- 27°C (65°F- 80°F)Storage temperature---10°C- 50°C(50°F-122°F)Power supply: 3 AAA batteries or AC adapter (batteries not included in package)Battery life: 2.5 hours of continuous use with alkaline batteries (battery not included in package)Standby time: 5 minutes from the last measurement timeAnalog display size: 73.5mmX44.0 mmWeight: 295 grams♒ Feature:- Automatic calibration- Clear and legible analog panel display for easy reading- Portable tester for use anywhere- Use metal detection to identify common gem types♒ Products include:1 x Gem Diamond Tester (battery not included in package)

• ♒【DIAMOND MOISSANITE TESTER】Using thermal conduction principle technology to help you quickly identify diamonds and moissanite from other fake gemstones. Retractable probe tip for measurements down to 0.01 carat. Allows for faster testing.
• ♒【FAST AND SAFE】This diamond selection tester is designed for fast, precise and safe diamond testing. No harm to diamonds.
• ♒【OPTIMAL EFFICIENCY】Our diamond test pens are designed for your efficiency and have an intuitive pointer field so you can work quickly and efficiently.
• ♒【POWERED BY】This device comes with a variety of power supplies, making it the perfect jewellery tester. It can be powered by a USB cable and AAA batteries (batteries not included).
• ♒【WIDE APPLICATION】When you go to garage sales, flea markets, swap meets to sell diamonds, stamps, jewelry or classroom assessments, education, etc. Alternatively, it is also an tool for testing and accurately detecting and analyzing jewelry.