4T15P Optical theodolite
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.
Theodolite 4Т15P | 1 piece |
Stand | 1 piece |
Case | 1 piece |
Level for telescope 20” | 1 piece |
Set of eyepieces for telescope | 1 piece |
Small screwdriver | 1 piece |
Large screwdriver | 1 piece |
Small stud | 1 piece |
Large stud | 1 piece |
Oiler with oil | 1 piece |
Hood | 1 piece |
Certificate | 1 piece |
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 |