ompait Diamond Tester Pen, Portable Multipurpose High Accuracy

ompait Diamond Tester Pen, Portable Multipurpose High Accuracy Jewelry Diamond Testers with 30 Times Diamond Magnifying Glass for Jewelers, Industrial Purpose(Black)

Diamond Tester High Accuracy Diamond Tester Pen,Environmental Protection 9V Battery,Professional Diamond Selector for Jeweler Novice and Expert,Thermal Conductivity Meter (Diamond Tester) : Tools & Home Improvement

This diamond tester has a highly compact design, which can perform fast, accurate, and safe diamond testing, which is very suitable for carrying with

Diamond Tester Pen, High Accuracy Diamond Tester, Professional Jewelery Selector, Portable LED Audio Jeweler Diamond Gemstone Test Tool for Novice and

Diamond Tester Pen, High Accuracy Diamond Tester, Professional Jewelery Selector, Portable LED Audio Jeweler Diamond Gemstone Test Tool for Novice and Expert

Diamond Tester Pen, Diamond Tester with Ultraviolet (UV) Light High Accuracy Jewelry Diamond Tester Professional Diamond Tester Pen Jeweler Tool for Novice and Expert Tool : Arts, Crafts & Sewing

High Accuracy Professional Diamond Tester Pen Jeweler Tool for Novice and Expert - Diamond Selector II 9V Battery Included(Black) : Arts, Crafts & Sewing

Yult Professional Diamond Testers High Accuracy Practical Portable Diamond Selector for Novice and Expert Jewelry Jade with a Leather Bag and Battery : Arts, Crafts & Sewing

HDE Diamond Tester High Accuracy Tester Pen for Diamond Rings Gemstones

Description: How To Test Gem: 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.

Fantia High Accuracy Professional Diamond Tester Portable Gem Selector Gemstone Jeweler Tool Testing Kit Pen

Portable Diamond Tester Selector Illuminated Jewelry Gemstone Testing Pen Tool

Cheap Diamond Tester Pen High Accuracy Diamond Selector Detector Gemstone Jewelry Testing Tool with Case