Product Description

diamond tester

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.

Detail

step1

Step1

1.Lay the instrument on the worktable.Open the upper cover .Drops of special refractive oil onto the surface of prism

Step2

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.

Step3

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

Item Type	Refractometer
Material	ABS
Refractive Index Range	1.30-1.81 RI

Refractometru optic gemologic, Tester pentru verificare si identificare pietre pretioase prin masurare indici refractie Refractometru optic gemologic, Tester pentru verificare si identificare pietre pretioase prin masurare indici refractie