Gemstone Diamond Tester,Diamond Moissanite Tester,w/Pointer Board&Indicator Light,Automatic Calibration,Reading,for Identifying Diamonds

Gem Diamond Tester, Diamond Moissanite Tester with Pointer Plate and Indicator Light, Auto Calibration, Professional Reading for Identifying Diamond/Moissanite Features: 1. Auto Calibration 2. Clear and easy to read analog panel display 3. Portable tester can be used 4. Use Metal detection to identify common gemstone types Specifications: Product Name: Professional and Efficient Gem Tester Color: Black Technical Specifications 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 the package) Battery Life: Alkaline batteries can be used continuously for 25 hours Standby Time: 5 minutes from the last measurement time Analog Display Size: 73.5mm X 44.0mm Weight: 295g Product Includes: 1 x Gem Diamond Tester (Batteries not included in the package)

• Power Supply: This versatile device comes with a variety of power supplies, making it a jewelry tester.
• Accurate and Reliable Testing Tool: Professional diamond tester designed to easily distinguish diamonds, moissanite and other man-made gemstones.
• Optimal Efficiency: Our diamond test pen is designed to improve your efficiency, w/an intuitive pointer area that allows you to work quickly and efficiently.
• Fast and Safe: This diamond selection tester is designed for fast, accurate and safe diamond testing. No harm to diamonds.
• Retractable Probe Tip: Thermal conductivity principle to distinguish diamonds, with automatic calibration function,minimum measurement of 0.01 carat.