Diamond Tester High Accuracy Diamond Tester Pen,Professional Diamond Selector for Jeweler Novice and Expert,Thermal Conductivity Meter

Jewelers & Gemologists: For fast pre-screening and customer demonstrations.

Accuracy and portability are what we pursue all the time, we've been working on it to becoming your precision stewards.

Diamond Tester Pen Test result analysis

If lights >= 9 and have sounds, it is true diamond.

If lights <9 and no sounds, it is not diamond.

If lights is 7 or 8, it is true crystal.

If lights is 6 or 7, it is true jade.

If lights is 4 or 5, it is glass.

Don't test metal，Don't wear gloves.

1: Put the 9V battery in. Take off the probe cap.

2: Turn on the switch.Make sure only 1 light is lighting up on the scale. Make sure the “Ready Lamp”Light on.

3: Turn on the lights number corresponding to the indoor temperature and diamond weight.

4: When testing diamond, your index finger must keep touching the mmetal panel on the back of the tester. The probe is 90 degrees vertical to the diamond.

Product description