Simple Operation: The Diamond Tester Pen is easy to use,just lightly touch the pen tip to the surface of the jewelry, and it will provide test results within seconds. If it's a simulation or non -diamond, nothing will happen.
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Metal Detector earphone Professional Metal Detector such as MD-6250 TX-850 Headphone Round hole Metal Detector headset
Aliexpress UK
[Simple to Use]:Hqdz Diamond Tester Pen is simple to operate to get results, professional(s) are not required. Simply turn on our Diamond Tester Pen detector; place the tip of the Diamond Tester on the gem stone (lightly pressed is sufficient) and If the stone is fake, crystal or cubic zirconia, the tester will not beep.
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Metal Detector Underground depth Detector Adjustable Tracker Metal Detector Treasure Hunter Gold Digger accurate locating TC-200
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EASY OPERATION: Insert the battery, power on the gem tester, then preheat the tester for 30 seconds. Always reset to the fourth mark before each test. It may mimic diamond readings and beep when exposed to high thermal conductivity products.
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Gas Leak Detector WiFi Home Gas Alarm Tuya APP Monitor Mini Gas Detector for Home Kitchen Bathrooms Natural Propane Gas Detector
Aliexpress UK
This is the model DiamondMate-A - operates on alkaline (AAA) batteries or direct AC current. Uses thermal conductivity tests to detect diamond and simulants.
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WJL-6000 Intelligent Halogen Leak Detector Gas Detector Freon Gas Analyzer R22a CFC HFC Halogen Gas Refrigerant Leak Detector
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Gold Silver Copper Diamond Detector Finder Hunter. Copper underground search system. Silver underground search system. The Black Hawk WIRELESS GR collects data from hundred thousands of pulse reflections each second to help researchers identify objects below ground.
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HABOTEST HT609Pro Gas Detector Gas Leak Detector 0-1000PPM Visible Sound & Screen Alarm Flammable Natural Methane Gas Detector
Aliexpress UK
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Portable Metal Detector Outdoor Adventure Handheld Metal Detector Metal Finder Waterproof 360° Side Scan Metal Detector Rod
Aliexpress UK
Thailand smart Pro gem eye I Diamond Tester / diamond hardness test.
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MD-4030 Metal Detector Underground Gold Detector Outdoor Gold Digger Length Adjustable Treasure Hunter Seeker Portable Detector
Aliexpress UK
Gold underground search system. Silver underground search system. Copper underground search system. Diamond underground search system. Black Hawk GR-1000Pro Gold Silver Copper Diamond Detector GR-1000Pro is an upgraded version of GR-100,GR-1000Plus.
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EMF Meter Radiation Detector for MF EF Radiation Detector Handheld Digital EMF Detector with LCD for Home&Office EMF Inspections
Aliexpress UK