Including Microscope Dichroscope Spectroscope Filter Filter Jadeite Filter Polariscope for Gemologists' Travel/Portable Lab Suitcase.

Specification:Features:1. Specially designed for measuring the refractive index of and solid materials.2. Lightweight and compact, easy to carry.3. This refractometer features high accuracy and easy .4. Identify single and double quickly and precisely.5. Low battery consumption for service time.6. Approved by strict quality and safety standards for a and trouble- using.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. 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 of the measuring item must be flat, and the diameter is more than 2mm.Package List:1 * Refractometer1 * Electric Torch (Powered by 1 * AA battery which is NOT included))1 * English Manual1 * 3 ML Reflective Index Fluid

• High precision, compact and easy to carry: The refractometer is highly accurate and easy to operate. Lightweight and compact, it is easy to carry. It provides important recognition as it differs from to . The refractometer is also one of the few instruments that can provide you with information on opaque and transparent .
• High quality: low battery consumption and long service life. The possible continue to be eliminated by values ​​such as R.I., Color, Hardness and S.G. The transparent is tested and the is polished flat, which is very suitable for separating .
• Quick identification: Quickly and accurately identify single and double . Helps identify , and colored , speeds up the identification of in the package, does not require RI liquids, and results in uniform and results each time, with a clearly visible display for easy reading measurements.
• Specially designed: This refractometer is designed to measure the refractive index of and solid materials. Many people think that refractometers are the most important of all test instruments. The primary use of a refractometer is to measure the angle at which light is bent or refracted through a stone.
• after-sales service: We are committed to serving our customers wholeheartedly. Your feedback is the driving force for our improvement. We look forward to your comments. If you have any questions about our products, please feel to us. We will do our best to meet your requirements and solve your problems quickly and efficiently.