High-Precision Professional Diamond and Moissanite Tester,Retractable Probe,Automatic Calibration,for Reliable Jewelry Authentication and Gemstone Identification

♥ Welcome to my shop⧪ This testing tool accurately tests diamonds while protecting your jewelry from damage—isn't it just what you've been looking for?⧪Features:1. Automatic calibration2. Identifies common gemstone types using metal detection3. Clear and readable analog panel display4. Portable tester for use anytime, anywhere⧪Specifications:-Name: Diamond and Moissanite Tester / Professional Gemstone Tester-Color: Black-Operating Temperature: 18°C-27°C (65°F-80°F)-Storage Temperature: -10°C-50°C (50°F-122°F)-Power Supply: AC adapter/3 AAA batteries (batteries not included)-Battery Life: 2.5 hours of continuous use with alkaline batteries-Standby Time: 5 minutes after the last measurement-Analog Display Size: 73.5mm x 44.0mm-Weight: 295g⧪Package Contents:1 x Diamond Tester (batteries not included)Accessories⧪Precautions:1. Due to differences in measurement methods and screen displays, there may be a slight error of 1-3 cm.2. For best results, please ensure your labels and products conform to our size specifications.♥ If you have any questions or concerns, please contact us. We will reply within 24 hours and do our best to assist you.

• ⧪【High-Precision Testing】Utilizes thermal conductivity technology to quickly distinguish diamonds from imitation gemstones such as moissanite, achieving a measurement accuracy of up to 0.01 carats and offering faster testing speeds.
• ⧪【Safe Testing】Designed specifically for jewelry identification, the testing process is fast and will not cause any scratches or damage to diamonds or jewelry, ensuring the item remains intact.
• ⧪【Innovative Probe】The flexible, extendable probe adapts to gemstones of different sizes. Combined with an automatic calibration function, it improves testing speed and measurement adaptability, making use more convenient.
• ⧪【Convenient and Efficient】Dual-mode function: USB cable powered or AAA battery (batteries not included). With an intuitive pointer panel, it allows for immediate testing without waiting, making it suitable for travel and mobile use.
• ⧪【Wide Applications】Suitable for jewelry exhibitions, flea markets, secondhand transactions, and can also be used for teaching and identification. It is an efficient auxiliary tool for jewelers, collectors, and learners.