Overview
Enviro Testers digital gem auto refractometer is for measuring the gem refractive index of an unknown gemstone, it covers 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
| Power Input | 9 V Battery |
| Test Range | 1.400 to 2.000 |
| Measurement Accuracy | 0.2 % |
| Measurement Range | 1.30 to 1.81 |
| Brix Min. Div. | Brix: 0 |
| Min. Div. | Distinguishability: 0.01 |
| Brix Range | Brix-TC: 0 |
| Working Temperature | 50 °F to 82.4 °F (10 °C to 28 °C) |
| Size | 1.18 in x 1.18 cm x 5.19 in (3 cm x 3 cm x 13 cm) |
| Weight | 0.88 lb (0.40 kg) |
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