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Specification
Brand : JJENXYYDS
BulletPoint1 : 【High Quality Materials】: The gem refractometer uses hard aluminum alloy to create a work surfaces, which is scratch-resistant and sturdy, providing stable support for precision testing. It is equipped with an ABS engineering plastic power switch and built-in triple insulation protection to effectively block the risk of leakage
BulletPoint2 : 【Jewelry Tester Identification Tool】: It is the most important tool for gem identification, and can measure the refractive index value of gemstones non-destructively, quickly and accurately. Refractive index test range 1.300-3.000
BulletPoint3 : 【Test Method】No refractive oil is required, just bring the sample's measuring surfaces close to the measuring platform to measure. Based on this parameter, you can determine whether the gem is a uniaxial crystal or a biaxial crystal
BulletPoint4 : 【Working Principle】: The working principle of the refractometer is based on total internal reflection. The refractive index is a very important optical parameter, and the characteristics of gemstones can be determined based on this parameter
BulletPoint5 : 【Wide Range of Applications】: Quickly and accurately identify single and double gemstones, diamond colored gemstones, designed for measuring the refractive index of gemstones and solid materials
ExternallyAssignedProductIdentifier : 6417893801296
ItemName : JJENXYYDS Jewelry Tester Identification Tools,0.001 High Accuracy Jewelry Tester Identification Tools,Gemstone Refractometer with LCD Screens,for Jewelry, Gold ＆ Silver and Diamond
ItemPackageDimensions_Height : 10 centimeters
ItemPackageDimensions_Length : 10 centimeters
ItemPackageDimensions_Width : 10 centimeters
ItemTypeKeyword : jewelry-diamond-testers
Manufacturer : JJENXYYDS
PartNumber : 79478649
ProductDescription : Gemstone Refractometer, Jewelry Tester Identification Tools with Large Lcd Backlight, Error: + -0.005/accuracy: 0.001/Refractive Index 1.300-3.000, for Test Jewelry

Jade
Gem refractometer is suitable for identifying polished finished products.
Jade jade can be tested to determine whether the refractive index of jade is
It is in line with its numerical test of 1.66, and it is necessary to protect the jadeite
There is a flat rough stone of at least 3mm

Hetian jade
Gem refractometer is suitable for identifying polished finished products
Hetian Jade can test whether the refractive index of Hetian Jade is
It is a rough stone that meets its numerical value of 1.61

Jewelry
Gem refractometer is suitable for identifying various types of gems
stone, the number of refractions fixed by its various varieties of gemstones
The value is used to determine whether the rough stone matches the characteristics of the gemstone.

Diamond
Digital gem refractometer for identification of natural diamonds
And artificial diamonds, the refractive index reaches 2.417
However, diamonds with refractive index between 1.98-2.2 are all artificial.
Diamond, also known as zircon

Specifications:
Measuring range: refractive index 1.300-3.000
Measurement error: + -0.005
Measurement accuracy: 0.001
Battery life:10.000 Times
Power supply: 700mA Lithium Battery
Product Size: 13.5x7.8x2.4cm(5.31x3.1x0.94inch)
Net weight: 0.8kg(1.76lbs)

Products include:
Gemstone refractometer x 1

Notes:
Please allow the slight color difference caused by the shooting light and 1-3cm error due to manual measurement.
ProductSiteLaunchDate : 2025-04-07T06:40:51.070Z
UnitCount : 1
UnspscCode : 54100000