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.
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.

Maintenance and repair:
1, the instrument is very sensitive to the probe, must be particularly careful to protect, do not use should be set on the sheath.
2, the preparation of the indicator light is very dark, shows the battery will run out, should be timely replacement battery.
3, the instrument is not used for a long time, please take out the battery.
4, in order to detect accurately, the proposed correction once a year.

Power supply: 1 * DC 9V Battery (not include)
Item size: 14*4*2cm (6.6 * 1.6 * 0.8in)

Package included:
1 * Diamond Selector
1 * Testing Platform
1 * Carrying Case
1 * User Manual