| Model | GTS-102N |
| Length | 150mm |
| Objective Lens Diameter | Telescope:45mm, Distance meter: 50mm |
| Magnification | 30X |
| Image | Erect |
| Field of view | 1°30' |
| Resolving power | 3" |
| Mini.focus | 1.3m |
| Single Prism | 2000m |
| Three Prism | 2700m |
| Accuracy - Prism mode | (2mm+2ppm x D)m.s.e. |
| Measuring time | Fine:1.2s , Coarse:0.7s , Tracking:0.4s |
| Meteorologic correction | Auto sensing |
| Prism constant | Manual input |
| Method | Absolute Encoding |
| Min. Reading | 5" / 1" |
| Accuracy | 2" |
| Diameter of circle | 71mm |
| Type | Dot Matrix Graphic LCD (160X64)dot |
| Unit | 2 sides |
| Keyboard | 24 Keys |
| Tilt sensor | Single axis |
| Method | liquid-electric |
| Range | ±3' |
| Accuracy | 1" |
| Plate Level | 30"/2mm |
| Circular Level | 10'/2mm |
| Image | Erect |
| Magnification | 3X |
| Focusing range | 0.5m ~ ∞ |
| Field of view | 5° |
| Internal memory | 24,000 points |
| Data interface | RS232 |
| Working temperature | -20~+50ºC |
| Battery type | Rechargeable Ni-H battery |
| Battery voltage | DC 6V |
| Water & dust proof | IP54 |
| Working time | 45 hours |
