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GD2A-L
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Product Description
| Model | GD2A-L |
| Telescope | |
| Length | 165mm |
| Objective lens aperture | φ45mm |
| Magnification | 30X |
| Image | Erect |
| Field of view | 1°30＇ |
| Resolving power | 3.3〞 |
| Shortest sighting distance | 1m |
| Additive constant | 0 |
| Stadia proportion constant | 100 |
| Angle measurement | |
| Minimum reading | 1〞/5〞 |
| Accuracy | 2〞 |
| Display | |
| Display | Graphic lattice LCD on both sides |
| Illumination | Provided |
| Compensator | |
| Tilt sensor | A Provide / B unprovided |
| Accuracy | 3〞 |
| Compensating range | ±3＇ |
| Laser plummet | |
| Level sensitivity | |
| Plate level | 30〞/2mm |
| Circular level | 8＇/2mm |
| Data output | |
| Output interface | RS232C |
| Power supply | |
| Rechargeable battery | 1800mAh Ni-MH |
| Battery working time | 10-20h |
| Others | |
| Waterproof class | IP45 |
| Tribrach type | Detachable |
| Working temperature range | -20℃～+50℃ |
| Dimension | 150X165X335mm |
| Weight | 5kg |
