Diamond Tester Pen,Professional Diamond Detector with 60X Mini LED Magnifying, Diamond Test Pen for Novice

HMKIS Diamond Tester Pen, High Accuracy Jewelry Diamond Tester＋ 60X Mini LED Magnifying, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter - Yahoo Shopping

Professional High Accuracy Diamond Tester 2 / 3 Gemstone Gem

Diamond Tester Gemstone Selector LED Indicator Jewel Jewelry

Melitt ZB2L3 Battery Tester LED Digital Display 18650 Lithium

Diamond Tester Pen, High Accuracy Jewelry Diamond Tester+200g/0.01g Mini Jewelry Scale+60X Mini LED Magnifying, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter Diamond Tester+200g/0.01gDigital Gram Scale+60X Loupe

[Initialization] After powering on, turn the wheel to keep 4 green lights on to finish the Initialization. Otherwise you will get inaccurate results.

HMKIS Diamond Tester, High Accuracy Jewelry Diamond Tester＋200g/0.01g Mini Jewelry Scale＋ 60X Mini LED Magnifying, Professional Diamond Selector for

Diamond Tester Pen,Professional Diamond Detector with 60X Mini LED

Professional High Accuracy Diamond Tester 2 / 3 Automatic UV

DJMAX 60X Handheld Magnifying Glass Mini Pocket Microscope Loupe

TK15 Battery Capacity Tester 80V 350A Vehicle Battery Level

How To Test Diamond 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.

Diamond Tester Pen,High Accuracy Jewelry Diamond Tester+40X Full Metal Jewelers Eye Loupe,LED/UV Illuminated Pocket Folding Magnifying Glass

Diamond Tester Pen, High Accuracy Jewelry Diamond Tester+200g/0.01g Mini Jewelry Scale+60X Mini LED Magnifying, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter Diamond Tester+200g/0.01gDigital Gram Scale+60X Loupe