Tool Cut Goldsmith Diamond Tester, Gemstone Jewelry Testing Precious Stone Pen Diamond Detector Selector Probe and Tester Electronic Hobby Kit

open the power, the power indicator light, instrument started pre, after a few seconds of instrument can be used. * Taking the bare drill will be testedinto proper sink support sinking, and your table up. those who already inlay, do not need to put the tray hole in, you can use your hand. * according to the weight of the diamonds tested and measure the local temperature to move several LEDs. * take down the needle sheath, portable instruments, the index finger of the conductive plate; touch instrument back cover That probe vertically and true diamond measured table contact with delicacy. * carefully observing the instrument, if the rest of the LED reflect yellow, when light to nine diode, follow the beeping this explains the tested for a real diamond. on the other hand,