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

Gem Diamond Tester, Diamond Moissanite Tester, with Pointer Board and Indicator Light, Automatic Calibration, Professional Reading, for Identifying Diamonds/Moissanites Specification: Product name: Gem Detector Colour: Black Operating 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 time Analog display size: 73.5mmX44.0 mm Weight: 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)

• 【PRECISE AND RELIABLE TESTING TOOLS】Professional diamond tester specially designed for quick and easy distinguishing between diamonds, moissanites and other artificial stones.
• 【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.
• 【RETRACTABLE PROBE TIP】The thermal conductivity principle distinguishes diamonds, with automatic calibration function, retractable probe tip, minimal measurable 0.01 ct.
• 【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).