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Gem Portable Refractometer, RHG181 1.30-1.81 Presidium Gemstone ldentification Tester for Jewelry, Gold Silver and Diamond, Lab Refractometers
- Professional DesignThis refractometer is specially designed to measure the refractive index of gemstones and solid materials. The minimalist design style makes it very suitable for use.Considered by many to be the most important of all gem testing instruments.
- High QualityQuality all metal construction, low battery consumption can be used for a long time.Approved by strict quality and safety standards and is trouble-free to use.
- Package ContentsBuilt-in LED flashlight, 30x jewelers loupe in silver housing, one of the most important gemstone identification tools.Quality gemological refractometer with a bottle of 3ML jewelry identification special refraction oil.
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Product AdvantagesThe refractometer is stable in performance, High precision and easy operation, lightweight and compact, easy to transport and carry.
Professional FunctionsIdentify single and double gems quickly and precisely. Measurement range of 1.30 - 1.81. Helps identify diamonds, moissanite and colored gems, speeds up the identification of gems in the package. Gemstone Refractometer is the most important and powerful tool for identifying and authenticating polished gemstones and semi-precious stones, as well as for observing the optical properties and structure of precious stones.
The refractive index of gemstones is a very important optical parameter. The gloss of the gemstone can be determined by this parameter. Since different gemstones have a fixed refractive index, all kinds of gemstones can be determined according to the refractive index.
In addition, birefringence can also be measured.
This parameter can be used to determine whether a gemstone is uniaxial or biaxial.
This gem refractometer is small in size and light in weight.
Easy to carry and popular in the jewelry industry.
Product
Condition: 100% Brand New
Item Type: Refractometer
Material: ABS
Refractive Index Range: 1.30 - 1.81 RI
Color: As Pictures Shown
Power Supply: 1 * AA Battery, is NOT included
Size: Approx. 13 * 6 * 3.5 cm/ 5.1 * 2.4 * 1.4 inch
Weight: Approx. 721g
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Refractive Oil
Buy a refractometer with a bottle of 3ML jewelry identification special refraction oil
Large Eyepiece Design
This product comes with a polarizer (for dimming),
The viewing is comfortable and bright, and the effect is clear.
Stainless Steel Countertop
Made of metal stainless steel, scratch-resistant and durable, to prevent corrosion.
Product Parameters
Measuring Range: 1.30 ~ 1.81
Accuracy: Refractive index accurate to 0.01
Error: ± 0.003
Countertop Material: Lead Glass
Light source: external
Accessories: refraction oil, strong light flashlight, 30x magnifying glass
Professional FunctionsIdentify single and double gems quickly and precisely. Measurement range of 1.30 - 1.81. Helps identify diamonds, moissanite and colored gems, speeds up the identification of gems in the package. Gemstone Refractometer is the most important and powerful tool for identifying and authenticating polished gemstones and semi-precious stones, as well as for observing the optical properties and structure of precious stones.
The refractive index of gemstones is a very important optical parameter. The gloss of the gemstone can be determined by this parameter. Since different gemstones have a fixed refractive index, all kinds of gemstones can be determined according to the refractive index.
In addition, birefringence can also be measured.
This parameter can be used to determine whether a gemstone is uniaxial or biaxial.
This gem refractometer is small in size and light in weight.
Easy to carry and popular in the jewelry industry.
Product
Specifications
Condition: 100% Brand New
Item Type: Refractometer
Material: ABS
Refractive Index Range: 1.30 - 1.81 RI
Color: As Pictures Shown
Power Supply: 1 * AA Battery, is NOT included
Size: Approx. 13 * 6 * 3.5 cm/ 5.1 * 2.4 * 1.4 inch
Weight: Approx. 721g
Show
Details
Refractive Oil
Buy a refractometer with a bottle of 3ML jewelry identification special refraction oil
Large Eyepiece Design
This product comes with a polarizer (for dimming),
The viewing is comfortable and bright, and the effect is clear.
Stainless Steel Countertop
Made of metal stainless steel, scratch-resistant and durable, to prevent corrosion.
Product Parameters
Measuring Range: 1.30 ~ 1.81
Accuracy: Refractive index accurate to 0.01
Error: ± 0.003
Countertop Material: Lead Glass
Light source: external
Accessories: refraction oil, strong light flashlight, 30x magnifying glass
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
- CONTACT
Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Grandwood Tech Limited Return Policy
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