Dupeakya Professional Diamond Tester, Gem Tester Pen Portable Electronic Diamond Tool for Jewelry Jade Ruby Stone

Dupeakya Professional Diamond Tester, Gem Tester Pen Portable Electronic Diamond Tool for Jewelry Jade Ruby Stone

• This is a portable electronic device for distinguishing real diamonds from other simulated stones. It is designed for quick, precise, and safe diamond tests.
• An excellent tool kit for the diamond tester, suitable for handling any exposed or inlaid diamonds and gems, as well as other jewelry and precious metal items.
• The diamond detector with voice instructions and audible sounds are emitted when the lights are on so that you can easily distinguish between masonry and stone.
• The small portable electronic devices can be put in any wallet or backpack, and the operation is simple. As long as the tip is perpendicular to the test masonry and the switch is pressed, the result can be obtained.
• Package contents: 1 x diamond tester, 1 x leather case, 1 x test platform, 1 x user manual. This product uses a dc9v battery (not including battery).

<b>Notes:</b><br> 1. The tester is an electronic instrument designed and manufactured according to the thermal conductivity of diamonds to identify the true and false diamonds. It can also be used for testing sapphire, ruby, crystal, agate and other stones. <br> 2. This tester is a precision electronic instrument, the use environment is 5-35 ℃, and the air relative humidity is 80%.<br> 3. The tested gemstone must be clean, dry and at room temperature.<br><br> <b>Steps for Testing:</b><br> 1. Install the battery and take off the probe tip cap.<br> 2. Turn on the switch and make sure the Battery Lamp lights up.<br> 3. About 30 seconds later, Ready Lamp will light up.<br> 4. Select a number in calibration chart(we suggest 4 for calibration number) according to temperature and the size of tested stone.<br> 5. Find the selected calibration number under light bar, and turn the switch toward the direction of ON to let the light bar reach to the place the selected number lies<br> 6. Start to test diamond or other stones, your hand needs to hold silver triangle conductive plate when testing and the probe tip needs to perpendicular to the tested stone.<br><br> <b>Test Results:</b><br> -If the number of lights equals or exceeds 9, and it beeps, it means the diamond is true. <br> -If the lights is about 9 and it beeps, it means the sapphire is true. <br> -If the number is 6.5-7, it means the agate is true. <br> -If the number is 7-8 , it means the crystal is true. <br> -If the number is 6-7, it means the jade is true.<br><br> <b>Specification:</b><br> Material: Plastic<br> Working power: DC9V battery (not included)<br> Size: 16*4*2.2 cm <br><br> <b>Package Included:</b><br> 1 * Diamond Tester(no battery included)<br><br>