Handheld Portable Diamond Tester, Jewellery Tester,Professional Diamond Tester Pen with UV Light Lamp, Easy to Carry No Calibration Needed, Diamond Selector for Sapphire Ruby Crystal Agate

Diamond Tester Pen, High Accuracy Jewelry Diamond Testersize: 155*41*22MM. Weight: 100 g. Power required: 1 x 9V battery (batteries not included in package) If the number of lights is equal to or greater than 9, and it beeps, it means the diamond is real. If the number of lights is 9 and it beeps, it means the sapphire is true. If the number of lights is 6.5 to 7, it means the agate is real. If the number of lights 7-8, it means the crystal is real. If the number of lights is 6 to 7, it means that the jade is true. Notice: * No matter what gemstone you are testing, the probe needle and the tested object should be at a 90 angle. * When testing the diamond, your right index finger should keep touching the metal panel on the back of the tester, while you do not touch the panel if you test other gemstones. * Do not test any metal. * Do not use gloves. The package contains: 1 * Diamond tester

• Versatile Gemstone Tester: Our diamond tester pen is not just limited to testing diamonds, but it is also capable of detecting the authenticity of various gemstones such as sapphire, ruby, crystal, agate, and jadeite
• Convenient Calibration and Usage Instructions: To ensure accurate results, we provide detailed instructions on calibrating the probe for testing different gemstones
• Easy To Use: Before Testing: 1. Insert the battery (batteries not included in package). 2. Remove the probe cover. 3. Turn on 4. Make sure only one light on the scale turns on. 5. Make sure the "lamp ready" light is on. 6. If testing other gems, it is best to calibrate the probe. (Method: place the probe vertically on the glass, then adjust the light to 5, and then test the gem)
• Precise and Efficient Detection: If the number of lights equals or exceeds 9, and it beeps, it means the diamond is real. *If the lights are about 9 and beeps, it means the sapphire is real. *If the number is 6.5-7, it means the agate is real. *If the number is 7-8, it means the crystal is real. *If the number is 6-7, it means the jade is real
• Compact and Portable Design: Our diamond tester pen is compact in size, measuring 155*41*22MM, and weighs only 100g. This makes it highly portable, allowing you to carry it with ease wherever you go. Furthermore, the device can be powered by a single DV 9V battery (batteries not included in package) or plugged into a power source, ensuring convenient usage at all times