4N-2KL Automatic construction leveling unit
It is widely used in practice in construction, geodetic surveying, mining, irrigation and land improvement.
| Level 4N-2КL | 1 piece |
| Case | 1 piece |
| Blend | 1 piece |
| Cover | 1 piece |
| Screwdriver АP6.890.004-01 | 1 piece |
| Screwdriver АP6.890.002-04 | 1 piece |
| Stud F27.52.901 | 1 piece |
| Stud F75.29.004 | 1 piece |
| Oiler with oil | 1 piece |
| Certificate | 1 piece |
| The average quadratic error of measuring the excess by 1 km. Double stroke, mm, below | 2 |
| Visual tube | |
| Magnification | 30Х |
| Angular field of vision | 1 deg. 30' |
| Shortest sighting distance | |
| Without lens attachment | 1.5 m |
| with lens attachment | 0.8 m |
| Diameter, mm | |
| Entrance pupil | 40 |
| Lens rim | 50 |
| Thread range finder ratio | 100 |
| Limb diameter, mm | 107 |
| Limb division value | 1 degree |
| installation level division value | 5' |
| Range of the compensator operation for 1' of the tilt of the level axis, not more | 0.3" |
| Permissible average square error of horizontal angle measurement, below | 0,1 degree |
| Weight, kg | 2 |
| With case, kg. | 3.3 |
| Possibility of equipment with an optical micrometer, prismatic nozzle, lens attachment | Availability |