3N-5L


3N-5L Small construction leveling unit


Function

It is designed to measure excesses in construction work and in surveying in construction work.


Main advantages

  • Optimal design
  • Convenient arrangement of levels and handles
  • Reliability and convenience in operation


Specifications

The permissible mean square error of measuring the excess by 1 km of double stroke, mm.
5
Permissible average square error of horizontal angle measurement, below
0.15 degrees
Visual tube
Magnification
20Х
Shortest sighting distance, m
Without lens attachment
1.2 m
With a lens attachment
0.5 m
Diameter of the entrance pupil mm, not less than
30
Diameter of the lens rim, mm.
38
Thread range finder ratio
100+/-1
Limb division value
1 degree
Limb diameter, mm
107
Sensitiveness of the level tube per one division
Round (mounting)
10'
Cylindrical
45"
Weight, kg
1.4
Weight with case, kg.
3
Possibility of equipment (by the customer's order) with
  • ShR140 tripod
  • RN type leveling rails
Availability