Diamond Tester Professional Diamond Tester Pen with UV Light, Jewelry Gem Tester Pen，Portable Electronic Diamond Checker Tool，Professional Diamond Selector for Novice and Expert（Battery Included）

Diamond Tester Professional Diamond Tester Pen with UV Light, Jewelry Gem Tester Pen，Portable Electronic Diamond Checker Tool，Professional Diamond Selector for Novice and Expert This professional diamond tester pen is an essential tool for both novice gemologists and experienced jewelers. The built-in UV light adds versatility to your authentication process, helping distinguish between various gemstones. The tester includes a sensitivity adjustment feature and comes with a 9V battery for immediate use. Its sleek black housing is both durable and professional-looking, while the ergonomic design allows for precise testing of even small stones. It has dual functions and is nondestructive. Whether you're examining loose stones or mounted jewelry pieces, this tester helps provide reliable results. Perfect for jewelry stores, pawnshops, or personal use, this tool helps build confidence in your gem authentication process. High Accuracy and portability are what we pursue all the time, we've been working on it to becoming your precision stewards. Specifications: Probe Warm-up Time: about 25sec Working Time: about 5 hours for continuous use Suggested Working Temperature: 18°C to 30°C Size: 168 x 31 x 21mm Net weight: 55g Working Voltage: 1 x 9V, 6F22 battery (included the set) or AC adaptor 110V-240V, DC 9V Set includes: 1 x Diamond Tester Set 1 x English Instruction Manual

• ✅💎【Professional Diamond Tester】 This diamond tester pen is equipped with high-tech chip, it can effectively distinguish natural diamond in 1 second
• ✅💎【UV Light】 The UV light on the diamond tester is used to test the fluorescence color and intensity of diamonds, aiding in the authentication and quality assessment of the diamond
• ✅💎【Operation Procedures】Hold the electricity conductive panel of the diamond meter and ring setting(or metal plate) while testing, the probe of diamond tester should be 90-degree vertical to the diamond
• ✅💎【Light&Buzzer Alarm】The Diamond Tester has 25 seconds warm-up time after powering on, the red indicator will flash and the buzzer emits regular rings once detecting real diamond
• ✅💎【Easy operation visual indicator】Clear LED display with color-coded testing scale from 1-8 shows precise readings for gemstone authenticity.One-touch testing with automatic power-off feature and ready indicator light for efficient use
• ✅💎【Portable Design】 Compact pen-style tester powered by a standard 9V battery (included) for convenient testing anywhere.Suitable for testing various gems and stones including diamonds, moissanite, and other precious stones.One-touch testing with automatic power-off feature and ready indicator light for efficient use