4Т15P


4Т15P Optical theodolite


Function

It is designed for measurement of angles in theodolite and tacheometric courses, breakdown of planned and high-altitude surveying networks, leveling by a horizontal ray with the help of a level with a pipe, determination of the compass magnetic azimuths.


Main advantages

  • Small size and weight make it indispensable in expeditionary conditions, in agriculture and construction.
  • It has a built-in micrometer, which allows to increase the accuracy of measuring angles.
  • It can be equipped with the SR140 tripod, a compass, a lantern with illumination of the microscope scale.


Specifications

The average quadratic error of measurement at a stroke
For a horizontal angle

15"

For zenith distance

30"

Compass orientation error
Systematic component

30'

Mean square deviation of the random component

10'

Measurement range
Of vertical angles

+30…145 degrees

Visual tube
Image

direct

Magnification, times

20Х

Angular field

2 degrees

Shortest sighting distance, m

1.2

Thread range finder ratio

100+/-0,5

Thread range finder constant terminator

0

Outer diameter of the lens rim, mm.

38

Weight, kg

2.4

Theodolite in a case with accessories

3.9