- Product Details
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Quick Details
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Color:
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Black
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Condition:
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100%brandnew
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Usage:
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Gemstone Testing Tools
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Measurement Range:
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Stones refractive index >1.79
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Power supply:
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9V alkaline battery or USB power supply
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Application:
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Gemological Tools
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Size:
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13.5cmx8x4.5cm
Quick Details
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Brand Name:
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Presidium
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Place of Origin:
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Singapore
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Model Number:
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Presidium Refractive Index Meter II
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Color:
-
Black
-
Condition:
-
100%brandnew
-
Usage:
-
Gemstone Testing Tools
-
Measurement Range:
-
Stones refractive index >1.79
-
Power supply:
-
9V alkaline battery or USB power supply
-
Application:
-
Gemological Tools
-
Size:
-
13.5cmx8x4.5cm
Product Description
Presidium Gem Refractive Index Meter digital Gem refractometer for gemstones refractive index >1.79
This digital refractometer is a supplement to the conventional refractometer. It mainly measures gemstones with a refractive index greater than 1.79 (such as diamond, CZ, Moissanite, etc.). The gemstones with a refractive index less than 1.79 have a large test error and are not suitable for this instrument;
| Power supply: | 9V alkaline battery or USB power supply |
| Calibration: | no need to calibrate |
| Suggested detection temperature: | 18℃-27℃ |
| Display result: | three digits after the decimal point |
| Size: | about 135*80*45mm |
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