Feature
●Rapid Appraisal: Diamond tester can quickly and accurately identifies single and double gemstones. Helps identify diamonds, moissanites and colored gemstones, speeds up identification of gemstones in packages, even and reliable results every time with RI fluid, clearly visible display and easy to read measurements.
●Light Weight: Gem refractometer is perfectly designed to be lightweight and compact, fitting easily into your pocket or tool bag for convenience and portability.
●Long Service Life:Crafted with high-grade all-metal construction, this refraktometer boasts of impressive durability. What’s more, it comes with low battery consumption, which guarantees prolonged usage time.
●High Accuracy: Specializing in identifying single and double refracting gemstones swiftly and accurately, this gem tester professional stands out as a professional tool for gemologists. With a measurement range of 1.30 - 1.81, it offers a wide array of identification possibilities.
●Method: Drops of special refractive oil onto the surface of prism by a thin glass bar to judge whether a gem is uniaxial or biaxial photopositive or photonegative.Theres 3ml of oil, can be used multiple times.
Description
- Rapid Appraisal: Our refractometer lets you quickly and precisely identify both single and double gemstones. This feature allows for improved efficiency and accuracy in gemstone appraisal and trading.
- Light Weight: This tool is your perfect companion for gemstone evaluation. Its lightweight and compact design makes it easy to carry, ensuring you always have it on hand when needed.
- Long Service Life: Designed for longevity, our refractometer imparts low battery consumption, granting you long periods of use without the need to constantly change batteries.
- High Accuracy: Specially designed to measure the refractive index of gemstones and solid materials. Our refractometer helps you assess the quality and authenticity of your precious stones with ease and high accuracy.
Step1
1.Lay the instrument on the worktable.Open the upper cover .Drops of special refractive oil onto the surface of prism
Step3
Choose the light source to use, you can use natural light to check when there is enough light, when the light is pressed, you can use a flashlight to check the refractive index.
Step2
Make the ground surface of gem to be measured close up to the prism
Step4
Move the eyepiece up and down. Adjust the diopter roughly to see the refractive index of the gemstone
Size
Size:13*3.5*6cm