Gem Refractometer,Jewelry RHG181 1.30-1.81 Professional Gemstone

DESIGN CONCEPT: Specially designed for measuring the refractive index of gemstones and solid materials. Features:1., Specially designed for measuring the refractive index of gemstones and solid materials., 2., Lightweight and compact, easy to carry., 3., This refractometer features high accuracy and easy operation., 4., Identify single and double gems quickly and precisely., 5., Low battery consumption for long service time., 6., Approved by strict quality and safety standards for a long and trouble- using. With a refractive index measurement capability of 1.30-1.81, this professional tool effectively identifies various gemstones, catering to a wide audience of... This comprehensive kit is designed specifically for jewelry enthusiasts and professionals, providing a wide range of features to enhance your gemstone... Customer satisfaction is our driving force 721gPackage List:1 * Refractometer1 * Electric Torch (Powered by 1 * AA battery which is NOT included))1 * English Manual1 * 3 ML Reflective Index FluidNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering!, 1., Reading standard: The eyepiece needs to be adjusted to the clearest number and the shading line scale., 2., The surface of the measuring item must be flat, and the diameter is more than 2mm. Gem Refractometer Economical (CN) – www You will be very happy with the many uses to meet your needs Good quality is our goal. Specification:Condition:Brand NewItem Type: RefractometerMaterial: ABSRefractive Index Range: 1., 30-1., 81 RIColor: As Pictures ShownSize: Approx., 13 * 6 * 3., 5cm/5., 1 * 2., 4 * 1., 4inchWeight: Approx. Gem Tester Gem Refractometer,Jewelry RHG181 1.30-1.81 Professional Gemstone Gem Testing Instrument The product is stable in performance and used by customers who say it is good Considered by many to be the most important of all gem testing instruments