Complaint
LT400 series laser electronic theodolites are widely used in high-precision angular coordinate measurement and directional alignment measurement, such as the manufacture of large ships; displacement measurement of small and medium-sized dams; window correction of heavy machines, and measurement of machine parts deformation; port and bridge engineering; Laying of large pipelines and pipelines; tunnels and tunnels; high-rise buildings, large towers; aircraft rack installation; vertical line measurement in the direction of the zenith; leveling measurement, etc.
| Angle measuring | ||
| Minimum reading | 1″ | |
| Precision | 2″ | |
| Telescope | ||
| Objective aperture | 47mm | |
| Magnification | 30X | |
| Image | Eerct | |
| Field of angle | 1°30′ | |
| Shortest sight distance | 1m | |
| Display | ||
| screen | double | |
| Laser launch system | ||
| Laser tube type | Semiconductor laser | |
| Laser wavelength | 635nm | |
| Effective range (daytime) | 200m | |
| Spot size | 5mm/100m | |
| Deviation between the spot center and the collimation axis of the telescope when the laser beam is concentrated | ≤5″ | |
| Pointer | ||
| Optical pointer(optional) | Field of view | 4° |
| Magnification | 3X | |
| Laser pointer | Wavelength | 635nm |
| Shortest focusing distance | 0.5m | |
| Laser range | 80m | |
| Compensator | ||
| Tilt sensor | Automatic vertical compensation | |
| Compensation range | ±3′ | |
| Level | ||
| Circle level | 30″/2mm | |
| Long level | 8′/2mm | |
| Power | ||
| Battery | 6V Ni-MH battery | |
| Battery working time | About 15h | |
| Others | ||
| Data interface | RS-232C | |
| Size | 153×175×328 mm | |
| Working temperature | -20ºC ~ + 50ºC | |
| Weight | 4.5kg | |
