Professional Portable Pen Diamond Tester with Automatic Calibration & Thermal Sensor, 0.5s Detection to Identify Jade and 16 Types of Common Colored Gemstones

The Gem Tester is an essential professional tool for accurately identifying diamonds and gemstones. This portable electronic device features a sleek black design with an easy-to-read analogue display that clearly indicates the type of stone being tested. Perfect for jewellers, appraisers, and gem collectors, this sophisticated instrument helps distinguish between genuine stones and their simulants. The ergonomic pen-style probe allows for precise contact with gems, while the calibration function ensures consistent accuracy. The device comes with a probe tip that's designed to access stones in different settings without causing damage. Whether you're evaluating loose stones or mounted jewellery, this professional-grade tester provides quick and dependable results.◈ Features:Retractable thermoelectric probe tip to ensure constant pressure between the probe and the gemstoneIndustry's thinnest probe tip (0.6 mm)Tests gemstones as small as 0.02 caratsTests polished and unpolished gemstonesMetal buzzer ensures the probe tip is in contact with the gemstone during testingClear and easy-to-read analog dialDistinguishes between 16 types of gemstonesBuilt-in glass and calibration test disc (CAL) for reference◈ Specifications:Name: Gemstone TesterPower: Use 2 AA batteries or an adapters (batteries not included)Length: 125 mm (4.93 in)Width: 90 mm (3.55 in)Height: 70 mm (2.76 in)Weight: 220 g (7.76 oz)◈ The Product includes:1 x Gemstone Diamond Tester Kit◈ Note: Calibration may be affected by shipping. If you have any problems, please contact me.

• ◈【Gem Stone Tester】: This diamond testing instrument uses the principle of thermal conductivity to identify and distinguish between diamonds and moissanites. Advanced electronic tester designed for quick and accurate identification of diamonds and various gemstones, it can differentiate between 16 types of gemstones.
• ◈【Accurate Data】: This professional diamond testing pen is equipped with a metal vibrator that ensures continuous contact between the probe and the gemstone during testing. Reliable and consistent results are obtained with every use, without waiting. It is simple and intuitive to use.
• ◈【Retractable Probe】: The retractable thermoelectric probe ensures constant pressure between the probe and the gemstone. At 0.6 mm thick, it can detect diamonds weighing as little as 0.02 carats.
• ◈【Thermal Calibration】: Thanks to its integrated snap-on glass and calibration test disc (CAL), you can easily calibrate your device yourself according to the testing environment. Large analogue display with calibrated measurements showing clear readings for different types of gemstones
• ◈【Professional Tool】: Used to test and measure diamonds and gemstones, reliable testing device is suitable for the jewelry industry, educational institutions, laboratories, jewelry manufacturers, diamond certification companies, jewellers, gemologists, and precious stone dealers for quick authenticity verification.