Description
Optical level Topcon AT-B4A
Technical characteristics
| accuracy for 1km double-run levelling | 2 mm/km |
| Telescope length | 214 mm |
| Length | 122 x 214 x 140 mm |
| Resistance class | IPx6 |
| image | Simple |
| Field of view | 1°25' |
| Magnification | 24x |
| Lens diameter | 32 mm |
| Resolution capability | 4'' |
| Weight | 1.5 kg |