Gem refractometer operation essentials
Release time:
2023-03-16
Gem refractometer operation essentials
1. Turn on the power, turn on the instrument
2. Cleaning Gems and Prisms with Alcohol
3. Put a drop of contact liquid (approximately 2 mm in diameter) on the refractometer prism, use sodium light to illuminate, and the shadow border of the oil can be seen
4. The largest table of the gemstone is placed on top of the prism, and the immersion oil makes good optical contact between the gemstone and the prism
5. Eyes close to the eyepiece can observe the shadow area and bright area and read, the reading retains the third decimal place
6. Rotate the gemstone 360° in order, and experienced users can rotate the gemstone 0°, 45°, 90° for observation and reading
7. After testing, gently push the gemstone onto the metal table and remove the gemstone
8. Cleaning Gems and Prisms
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