| Measurement range | Refractive index nD:1.300000–1.700000(liquid) Refractive index nD:1.300000–1.950000(solid) |
| Accuracy | Refractive index nD:5×10-5 |
| Wavelengths | 706.5, 656.3, 589.3 587.6, 546.1, 486.1, 435.8, 404.7nm |
| Magnification of the telescope objectives | 5X |
| Magnification of the reading objectives | 25X |
| Weight(Gross) | 80kg |
| Overall dimensions | 720mm 550mm 560mm |