Gemology Gemstone Polarizing Filter Gem Refractometer 1.81 RI Oil Built-in LED Gemstone Refractometer Kit Portable Gem Tester
1.Fast and accurate identification of uniaxial and biaxial gemstones.
2.Unique design, extremely low power consumption, easy to carry.
3.High-quality, high-precision measurement results.
4.This kind of gem refractometer is small and light.
5.Through strict quality and safety standard test, long-term failure service life.
1.With built-in light source that makes it a carry-and-use-it-anywhere device.
2.Gemstone refractometer index is a very important optical parameter. The gloss of the gem can be determined by this parameter.
3.All kinds of gems can be determined according to the index of refractive index, because different gemstones have fixed refractive index.
Product Name: Gemology Gemstone Polarizing Filter
Model Number: CL-181
Shell Material: Plastic
Countertop Material: Lead Glass
Measuring Range: 1.30~1.73
Minimum Scale: 0.01
Light Source: External
Accessories: Refracting Oil, Warm Light Flashlight
Package Size: 180x110x55mm/7.09×4.33×2.17in
Package Weight: 330g/11.64oz
General Box Package
1 x Gem Refractometer
1 x Flashlight
3 x 1.5 Volt Button Battery
1 x Refractive Index
1 x Manual
1.Please allow 0-3cm difference due to manual measurement.
2.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.