Product: Lotustech Diamond Tester,High Accuracy Diamond Tester Pen,Professional Diamond Detector for Novice and Expert(Black,Battery Included)
Brand: Lotustech
Color: Black
Precautions 
1.The surface of the test object is clean, flat and dry

2.Don't wear gloves,Don't detect metal and Best to measure in no wind conditions

3.The operating temperature is within the range of 5-35 degrees Celsius, and the humidity is below 80%

4.When testing diamond, your right index finger must keep touching the metal panel on the back of the tester.Please turn off the power after the test to save power.

Package Content 
 
1 x Diamond Tester,1 x 9V battery,1 x Protected leather bag ,1 x Texting Platform
 
How To Test Diamond
 
Step 1.Put the battery in. Use One 9V Battery (included). After use, turn off the power. 
 
Step 2.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 
 
Step 3.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. 
 
Step 4.Use the diamond discriminator probe to make 90-degree contact with the measured object, and observe the indicator light change. It needs a little bit of force to stop it on the diamond surface and make full contact.If unsuccessful, please repeat the second step
 
Test result analysis 

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

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

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

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

5.If lights is 4 or 5, it is glass. 

6.Don't test metal，Don't wear gloves.

[Easy to Use]: Real Diamond will Emits sounds and lights >=9.
[Intuitive Design]: Fake crystal, such as cubic zirconium ( CZ ), crystal, glass will be no sounds and lights <9.
[fast and safe ]: This diamond selector tester designed for quick, precise, and safe diamond testing. No harm to diamonds.
[Battery included]: Our diamond tester is powered by DC 9V battery and the battery is included.
[Service]: If you have any questions about use, please contact us. We will explain in detail. Professional equipment, the use method needs to learn slowly.

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