Diamond Moissanite Tester, High Accuracy Electronic Jewelry Diamond Tester Pen, Portable Professional Diamond Detector Diamond Selector

• High-precision testing: Using advanced electronic technology to quickly and accurately identify diamonds, moissanites and other gemstones. By accurately distinguishing between diamonds and moissanites, you can ensure that you are buying genuine jewellery
• Easy to operate: no specialised skills required. Simply touch the tip of the pen gently to the surface of the jewellery and get the test result immediately. Green light indicates genuine diamonds, red light indicates possible synthetic diamonds or other gemstones
• Precautions: The probe must be held at an angle of 90° to the object being tested, regardless of the stone being tested. When testing diamonds, the index finger of the right hand must always be in contact with the metal plate on the back of the tester, while other gemstones should not be in contact with the metal plate
• Easy to carry: compact and lightweight design, easy to carry and use. Whether you are in a jewellery shop, a second-hand market, or on a trip, you can test diamonds anytime and anywhere
• Quality Service: Providing good products and services for customers is our pursuit, if you have any questions, please feel free to contact us, we will provide you with the most satisfactory answer within 24 hours

Specification: Can only distinguish between diamonds, can not measure the hardness, can measure diamonds + moissanite diamonds, upgraded models are more accurate. Size: 167 * 50 * 21mm Product name: 2-in-1 diamond pen Product Type: identification testing Chip specifications: high-precision chip Body material: engineering plastics Probe material: alloy Power supply: 9V battery Product features: small pocket precise and portable Identification principle: through the probe heating chip detection know Operation steps: 1. install the battery or connect the complimentary power cord; (Note: both can not be used at the same time) 2. Wait for the ready light to come on and start testing; 3. Thermal conductivity meter probe perpendicular to the tested gemstone, pay attention to the hand to touch the back of the thermal conductivity meter metal conductive plate; 4. the test is completed, diamond light on behalf of the object under test for diamond, moissan light on behalf of the object under test for moissan diamond. Packing list: Instruction manual, diamond tray, battery, diamond testing pen, packaging box Notes: 1. Manual measurement, please allow a slight error in size. 2. Due to different screen displays, there may be slight differences in colour.