J2-2 Theodolite is one second reading
universal theodolite with automatic index and erect image.
APPLICATION
For all routine survey work in civil engineering construction.
Industrial and land surveys such as :
Triangulation and traversing,
Precise construction,
Tunneling and mining,
Cadastral surveys,
Deformation studies,
Optical tooling and laboratory measurements,
Field astronomy etc.
TECHNICAL DATA
| Telescope |
Erect image |
| Magnification |
30X` |
| Clear objective aperture |
40mm |
| Shortest focusing distance |
2m |
| Multiplication factor |
100 |
| additive Constance |
0 |
| field view at 1000m |
24m |
BUBBLE SENSITIVITY PER 2MM RUN
|
Circular level |
8' |
|
Plate level |
20" |
|
Automatic
vertical index (Magnetic damping) |
|
Setting accuracy |
± 0.3" |
|
Working range |
±
3" |
|
Glass circles |
3600 |
|
Gradation interval of Hz and V
circle |
20' |
|
Smallest interval of optical
micrometer |
1" |
|
Standard Deviation of a direction
measured in face left and face right |
2" |
OPTICAL
PLUMMET
| Image |
erect |
| Magnification |
3X |
FEATURE