The diamond tester helps to identify real and fake diamonds, as well as other jade. Jewelers Loupe helps to zoom in on diamond jade details. Remove the protective cap Connect the USB power supply Please confirm the size of diamond you want to test. Ii is very important to of the diamond for getting a correct reult! Please choose SIZE by adjust the wheel upper right. S FOR diamond M FOR diamond L FOR diamond Testing when READY light on Two hands test Touch the panel on the back Comfirm: the size of the diamond is " S" Adjust the wheel to the CORRECT SIZE Level Meter ?9 lights and emits sound Comfirm: the size of the diamond is " L" Adjust the wheel to the CORRECT SIZE Level Meter ?9 lights and emits sound The working environment temperature is preferably between 5-35? Need to be in a windless environment Do not get close to hot or cold objects Both the diamond tester and the diamond need to wait for more than 1 minute. Do not hold the diamond in your hands (your hands are hot) There should be no water, grease, etc. on the diamond surface The diamond will be hot after the test and needs to cool down The diamond tester will drop after the test and it will take time to reheat Cannot test metals When the diamond size is less than 0.025ct, the diamond tester light bar cannot reach the red area When the diamond size is less than 0.015ct, the diamond tester light bar will not respond This diamond tester cannot distinguish between moissanite and diamond The device can only judge thermal conductivity through heat transfer, and the thermal conductivity of the two is close. Material: ABS pocket microscope. Size: 3.5 x 4 x 2 cm coin magnifier. Illuminated by LED. Bright LED light of the Magnifying Glass provides enough light at any dim conditions currency detecting microscope. Compact design provides 60X magnification magnifier for currency. Power Upgrade The HMKIS diamond tester offers two power supply options: Type-C and 9V Power (includes a 1m Type-C cable). Utilizing a Type-C power supply delivers a more stable and precise voltage output, thereby enhancing the accuracy and reliability of experimental and test results. Opting for the Type-C power supply is highly recommended for optimal performance. PLZ NOTE THIS IS Non-Rechargeable Rapid Assurance The Professional Diamond Selector II swiftly verifies the authenticity of diamonds with precise accuracy. Designed for quick and secure testing, this diamond selector features an LCD display, LED indicator, and large/small switches for testing diamonds. Audible signals provide further assistance in interpreting readings, ensuring a swift and confident evaluation process. Easy UseThe HMKIS Diamond Tester Pen is a user-friendly tool that eliminates the need for professional knowledge in diamond testing. With just a few simple steps, anyone can determine the authenticity of a diamond. By turning on the Diamond Tester Pen detector, selecting the diamond size, and placing the tip of the tester on the gemstone, users can easily identify whether the stone is a genuine diamond or if it is made of glass, crystal, or cubic zirconia based on the results. The red light and beep emitted by the diamond tester indicate the presence of a diamond, making it a convenient and easy-to-use tool for anyone in need of quick and accurate diamond testing. Jewelers Loupe The 60X LED Jewelers Loupe with batteries is a versatile tool that can be used for a wide range of applications. Whether you are examining gems, coins, antiques, stamps, conducting readings, inspections, jewelry appraisals, studying rocks, watches, calligraphy, paintings, pursuing hobbies, collecting antiques, building models, working in the photo industry, testing electronic products, or simply using it for tasks in your home life or office, this Jewelers Loupe is an essential tool. Its compact design and powerful LED lights make it convenient for use in various settings, providing clear and detailed magnification for all your viewing needs. Adjust Size:We have to choose the diamond size before using the diamond tester.Otherwise we may get the incorrect result. Touch Panel: We have to touch the panel on the back when testing. Othersize we will get a wrong result. Incorrect Contact: When we have incorrect contact, this diamond tester pen will have a flashing OR it will turn off. When you testing metal,skin,or something else. Warm Notice:Make sure to test according to the correct testing procedure, avoid using the diamond tester on unsuitable items(metal,skin,water and ect.), to ensure accurate testing results. Any improper operation may affect the accuracy of the test. Package include:1 x Diamond Tester Pen, 1X 60XJewelers Loupe,1x 1M USB Cabel,1 x Testing Platform,1 x User Manual