| Parameters/Model | RFT-A2 |
| Refractive index nD | 1.3000-1.7000 |
| Accuracy(nD) | ± 0.0003 (Estimate Reading) |
| Dissolved Solids Brix | 0-95% |
| Temperature display | Digital thermometer |
| Observation mode | Binocular |
| Weight (Gross) | 4 kg |
| Overall Dimensions | 240mm×200mm×390mm |