Diamond Moissanite Tester, Automatic Calibration, Jewellery Selection Tool,Gemstone Tester,for Jewelers

Features: 1. Use metal detection to identify common gem types 2. Automatic calibration 3. Clear and readable analog panel display, easy to read 4. Portable tester that can be used anywhere Specification: Product name: Professional and efficient gem detector Weight: 295 grams Colour: Black Power supply: 3 AAA batteries or AC adapter (battery not included in package) Battery life: Alkaline batteries can be used continuously for 25 hours (package does not include batteries) Standby time: 5 minutes from the last measurement time Analog display size: 73.5mmX44.0 mm Technical specifications Operating temperature--18°C- 27°C (65°F- 80°F) Storage temperature---10°C- 50°C(50°F-122°F) Products include: 1 x gemstone diamond tester(battery not included in package)

• 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 versatile 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).
• SERVICE:We attach great importance to our customers' shopping experience. If you have any questions, please feel free to contact us, we will reply you as soon as possible within 24 hours