GEMSTAR Diamond Tester

Usage:

1. Slide open the battery cover in the direction of the arrow.
2. Insert the 9V battery.
3. Slide the power switch until it reaches the “Diamond” selection.
4. The “power” bulb will turn a solid red and the adjacent “ready” bulb will blink green.
5. Wait about 30 seconds for testing probe to heat up.
6. Once the “ready” bulb flashes a solid green and makes a very short beep the power up cycle is complete.
7. Please make sure the LED level meter is lighted up to the second column (if not, please adjust the volume control until the bar light is at the second column), now you can begin testing

Brief company introduction:

  Yubao became the first in the jewelry machine industry to introduce CIS system in 2004. And with a view to further improve the processing, standardization and normalization of enterprise management. The company became a participating unit for the establishment of standards for the casting industry in 2011 . Imported the IS09001 :2008 international quality management system in 2013