Sell Unnyt Second Generation Drill Pen Diamond Heat Instrument Diamond Unnyt best price

Product description: 1, control needle 2, three color display light 3, power indicator 4, preparation indicator 5, power switch/adjustment button 6, battery cover plate Technical characteristics: - Pocket portable hand-held. - Nondestructive testing, simple and accurate operation. - Power supply: DC9V battery. - Size: 162x42 x 22MM weight: approximately 160g Operating methods: - Turn on the power supply, light the power indicator, the instrument starts to preheat, and the instrument will be available in about 30 seconds. - Place the measured naked diamond in a suitable concave hole in the support tray and place it on top of the table.The inlaid person does not have to put tray hole, but can hold it in hand. - Light several leds depending on the weight of the diamond and temperature at the location of the measurement. - Remove the probe sheath, hand-held instrument and touch the instrument's back cover conductive plate with the right index finger; gently contact the probe vertically with the surface of the diamond. - Carefully watch the instrument's response, if the remaining yellow light-emitting diodes light up to 9 diodes, accompanied by bee-sounding, which indicates that the subject is a true diamond.Conversely, if less than 9 lights are lit and the instrument does not make a sharp noise, it indicates fake diamonds or counterfeits. Repair and maintenance: - The probe of the instrument is very sensitive and must be carefully protected and sheathed if not used. - Prepare indicator lights when dark indicating that the battery will run out and should be replaced in a timely manner. - Equipment is not in use for a long time. please remove the battery. Watch out! Watch out! Watch out! Sale of goods without batteries please purchase new battery installlation