Product: Diamond Tester Pen,WECHIC High Accuracy Professional Jeweler Diamond Tester for Novice and Expert
Brand: WECHIC

Precautions 
 
The surface of the test object is clean, flat and dry
 
Don't wear gloves
 
Don't detect metal
 
Best to measure in no wind conditions
 
The operating temperature is within the range of 5-35 degrees Celsius, and the humidity is below 80%
 
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 
 
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.

Professional Diamond Selector II will indicate genuine diamond or fak
Uses large / small switches for testing diamonds
Emits audible sounds to easily differentiate the readings
Batteries: 1 x 9v Battery (not included)
Package Contents: 1 x Diamond Tester

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