Diamond Tester Pen, 9V Battery, High Accuracy Jewelry Diamond Tester, Professional Diamond Selector, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter, black

Diamond Tester Pen, 9V Battery, High Accuracy Jewelry Diamond Tester, Professional Diamond Selector, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter Features: Color: Black LED light and audio result indication Accurate and reliable reading Metal alert Simple calibration for stones of various sizes Testing Capability: Diamonds, Diamond simulation (e.g. CZ), Metal Dimensions: 6.5" x 1.5" x 0.75" (Depth) Weight: 5 Oz Initial warm-up time: 20 sec. Indicator: Audio and LED lamps Power: One (1) 9V Battery(s) (included) Turn on the switch. Make sure only 1 light is lighting up on the scale. Wait few seconds for the probe to heat up until Lamp on ready OK Turn on the lights numbers corresponding to the indoor temperature and diamond weight If don't know. Set 4 lights is lighting up on the scale. Start test diamond, no need to adjust the switch switch. Use the diamond discriminator probe to make 90-degree contact with the measured object, and observe the indicator light change. It needs a little bit of force to stop it on the diamond surface and make full contact. If unsuccessful, please repeat the second step. Package Content: 1 * Diamond Selector 1 * Testing Platform 1 * Carrying Case 1 * User Manual 1 * 9V Battery Our products are all from factory direct supply, we can guarantee 100% inspection before shipping. If any problems of our products really exist, an exchange or a refund is available.