Diamond Tester Pen, High Accuracy Electronic Jewelry Diamond Tester Pen Professional Diamond Detector

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 multifunctional device has various power sources, making it the jewelry tester.
• Optimal efficiency: Our diamond test pen is designed for your efficiency and has an intuitive pointer panel so you can work quickly and efficiently.
• Precise and reliable test device: Professional diamond tester, designed for easy differentiation of diamonds, moissanite and other artificial gemstones.
• Retractable probe tip: The thermal conductivity principle distinguishes diamonds, with automatic calibration function, retractable probe tip, can measure up to 0.01 carats.
• SAFE: This diamond selection tester is designed for fast,and safe diamond testing. No damage is done to the diamonds.