|
Technical parameter |
SDJ-02> |
SDJ-05 |
SDJ-10 |
SDJ-20 |
| TELESCOPE |
Image |
Erect |
| Magnification |
30× |
| Clear Objective aperture |
45mm |
| Angle of field of view |
1°30′ |
| Shortest stadia |
1.35m |
| Stadia multiplying constant |
100 |
| Stadia additive constant |
0 |
| Resolving power |
3″ |
| MEASURING ANGLE SYSTEM |
Method of measuring angle |
Incremental mode readings of photoelectricity |
| Minimum reading |
1″5″ |
| Method of detecting |
H:Two side V:One side |
| Accuracy of measuring angle |
2″ |
5″ |
10″ |
20″ |
| Angle unit |
DEG MIL GON |
| Display |
two faced LCD |
| COMPENSATOR |
Tilt sensor |
plumb compensation automatically |
—— |
—— |
—— |
| Range of compensator |
±3′ |
—— |
—— |
—— |
| PLUMMET |
Optical |
Image |
Erect |
| Magnification |
3× |
| Angle of field of view |
5° |
| Focusing range |
0.5m~∞ |
| Bubble |
Accuracy of plate bubble |
30″/2mm |
| >Accuracy of circular bubble |
8′/2mm |
| Working environment temperature |
-20℃+50℃ |
| Power Supply |
Battery |
Dry battery or charged nickel-hydrogen battery |
| Power Voltage |
4.8V |
| Continuous operating time |
36h |
| Weight of theodolie |
4.6kg |
| Dimensions |
164×154×340mm |