Overview
Enviro Testers gem digital refractometer is for measuring the gem refractive index of an unknown gem stones, it is covering the full range from 1.40 to 3.00. It gives a quick and reliable differentiation of diamonds and imitations colored stones from their many imitations.
Technical Specifications
| Min. Div. | Distinguishability :0.01 |
| Brix Range | Brix-TC: 0 |
| Shape | Hand-held |
| Test Range | 1.400 to 2.000 |
| Power Input | 9 V Battery |
| Working Temperature | 50 °F to 82.4 °F (10 °C to 28 °C) |
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