ZjBfddnmm Diamond Tester, Diamond Selector,Led Jewelry Tester Tool Kit, Diamond Tester with Professional Reading and Accuracy, Genuine Diamond Testing
ZjBfddnmm Diamond Tester, Diamond Selector,Led Jewelry Tester Tool Kit, Diamond Tester with Professional Reading and Accuracy, Genuine Diamond Testing
Retractable thermoelectric probe tip ensures constant pressure between probe and stone Probe tip (0.6mm) can test small gemstones of 0.02ct Metal alarm buzzer ensures the probe tip touches jewelry during testing. Clear and easy to read analog dial. 16 different jewels can be identified. Built-in glass and calibration test disc (CAL) for reference