Diamond Tester, 9V Portable LED Audio Diamond Tester, Gemstone Selection Precision Tool Jewelry, Diamond Detector, Jewelry Store Exam Tool, Scientific Testing Equipment
by TMISHION
- Professional Diamond Test - This Yotown Diamond Test Pen is a portable electronic device that allows you to easily calibrate gems of all sizes to distinguish true diamonds from similar stones., Start the test pen by turning it on. When the light is on, you can use it by warming it for about a minute. During the test, the finger should touch the metal plate on the back of the instrument and place it on the black button in the middle of the metal plate without first pressing the button., Remove the cover of the probe and hold the instrument so that the probe is vertical and touches the object to be tested. Press the button, the device turns green and no alarm sounds. Diamonds, a red light and an alarm for moissanite., Alloy probe accurately measures the conductivity of gemstones; a technical plastic body, more robust and lighter; Make sure your finger has contact with the finger., Professional Diamond Selector II will indicate genuine diamond or fake. Uses large / small switches for testing diamonds. Emits audible sounds to easily differentiate the readings. Tester is battery powered for convenience