Index Of RefractionTesting With CZ Prism DC 3V Power Supply Gem Refractometer

Index Of RefractionTesting With CZ Prism DC 3V Power Supply Gem Refractometer

Model number: FGR-002J

Test the refractive index and the bigest double refractive index of the big and level facet gemstones

Many gemstones are double refraction(birefringence) on optical character. For the gemstones,you must test and get its minimum and maxinum refractive index ,and their margin,so this instrumentcan give a accuracy reference for identifing gemstones.

As long as you obey the step,you can obtian the above mentioned data on any level facet. Revolve the gemstone and get two data on each place is the most important steps below.Users who are not familiar with the principle above, Please consult the relevant books.

After-sale Service

We will check the goods quality before shipment. If there are some unexpected problems happen, we hope to solve the problems with buyers through friendly ways.

1. If there are quality problem, buyers can submit argue within 7 days after receiving the goods, buyer must provide photos or video and other evidence to seller for identify.

2. Man-made hazards, buyers take full responsibility.

3. The buyer return the goods to us and responsible for return shipping costs, after we receive your goods, we will repair or send you a new product, and we will pay the cost for resend.