Alat ini untuk mengetahui nilai RI (Refractive Index) sebagai identifikasi Berlian, Batu permata seperti ruby, safir dll. Tidak memerlukan cairan kimia RI.
By accurately measuring the quantity of light reflected through the stone, Presidium Refractive Index Meter II (PRIM II) is able to separate diamonds, moissanites and other colored gemstones via its Refractive Index (RI) on flat surfaces of polished gemstones.
Unlike a traditional refractometer, PRIM II is able to measure the range of RI value from 1.000 to ~3.000, therefore covering the commonly known gemstones in the market, including diamonds and moissanites. In addition, a fast and easy test can be done, without the inconvenience and messy usage of RI liquid.
The new software enables the user to further eliminate the list of possible colored gemstones by entering known values such as color, hardness and S.G. value. Further information regarding gemstone properties, common found locations can also be easily found.
PRIM II Software
An enhancement to enable users to further eliminate the list of possible colored gemstones by entering known values such as color, hardness and S.G. value.
Powered up by USB
Contains 57 gemstones’ properties (R.I, Color, Hardness, S.G. Value), country of origin and related information
Serves as a quick and easy reference guide
Refractive Index Reference Chart
Refractive Index List for the common gemstones in the marke
Direct RI display panel
Instantly displays the RI value of the stone
Identifies diamonds, moissanites, and gemstones instantly
Continual elimination of the possible gemstones through values such as via R.I., Color, Hardness and S.G.
Tests on transparent gemstones, with flat polished surface
Ideal for separation of gemstones
Speed up on the identification of gemstones in parcel
RI liquid not required
Consistent and reliable results every time
Clear and visible display for ease of reading measurements
Light and compact tester that can be used anywhere
Power and Battery
9V batteries (up to 3 hours of continuous use based on alkaline batteries) / USB powered
AC adaptor (optional item provided by Presidium)
Dimensions: 140 x 80 x 33mm (5.5” x 3.15” x 1.3”)
Weight: 140g (0.50lb)
Power: 9V batteries / USB powered or AC adaptor (optional item provided by Presidium)
Battery Life: Up to 3 hours of continuous use based on alkaline batteries
Visual Signals: Refractive Index (R.I.) value
Presidium Refractive Index Meter II
PRIM II CD-Rom
Protective carrying case
Presidium Universal Adaptor
Dimensions and Weight
Length: 140mm (5.5 inches)
Width: 80mm (3.15 inches)
Height: 33mm (1.3 inches)
Weight: 140g (0.50lb)
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