Operation method:
1. Turn on the power, the power indicator is on, the instrument starts to warm up, and the instrument can be used in a few seconds. (after the lamp is on ready ok).
2. Put the measured bare drill into the appropriate concave hole of the support tray, and put its tabletop up. The inlaid ones need not be placed in the tray hole but can be held by hand.
3. According to the weight of the diamond to be measured and the temperature of the measuring environment, turn on exact light-emitting diodes according to the manuals.
4. Take off the probe sheath, hold the instrument, and touch the conductivity plate of the back cover of the instrument with the right index finger; make the probe vertically contact with the table surface of the true and false diamond to be measured.
5. Pay close attention to the reflection of the instrument. If the remaining yellow light-emitting diodes are on, when they are on to nine diodes, accompanied by a beep, it indicates that the tested person is a real diamond. On the contrary, if less than 9 and the instrument does not give out a sharp sound, indicating fake diamonds or counterfeit goods.