Overview
This Digital Gemstone Refractometer has an RI Test Range of 1.30 RI to 2.99 RI a working temperature of 77 °F to 83 °F and a weight of 1.65 lb.
Technical Specifications
| RI Test Range | 1.30 to 2.99RI |
| Power Input | 9V Battery (not included) |
| Quartz | 1.544 to 1.558RI |
| Topaz | 1.63 to 1.64RI |
| Ruby | 1.74 to 1.78RI |
| Cubic Zirconia | 2.15 to 2.18RI |
| Diamond | 2.37 to 2.46RI |
| Work Temperature | 77 °F to 83 °F (25 °C to 28 °C) |
| Weight | 1.65 lb. (0.750 Kg) |
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