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

Delivery set
Level 3N-5L 1 piece
Case 1 piece
Small screwdriver 1 piece
Large screwdriver 1 piece
Small stud 1 piece
Large stud 1 piece
Oiler with oil 1 piece
Certificate 1 piece

Produced at JSC “Production Association “Ural Optical and Mechanical Plant” named after E.S.Yalamov”