PRODUCT DETAILS
LDT-402A Electronic Theodolite Feature
The LDT-402A Electronic Theodolite features an absolute coding angle measuring system that ensures digitized, intelligent measurement with high reliability for precise surveying applications.
Designed with a double-sided LCD panel, the LDT-402A Electronic Theodolite offers clear display and easy operation from both sides, enhancing workflow efficiency in various working conditions.
Built with a robust steel shaft system and metal casing, the LDT-402A Electronic Theodolite guarantees long service life and reliable performance in demanding job site environments.
Featuring an independent tilt sensor, the LDT-402A Electronic Theodolite automatically corrects tilt errors, ensuring measurement accuracy and reliability throughout your surveying projects.
The sealed waterproof telescope of the LDT-402A Electronic Theodolite provides protection against moisture and dust, maintaining optimal performance in various weather conditions.
Equipped with coaxial locking screw and fine-tuning screw, the LDT-402A Electronic Theodolite enables easy measurement and precise targeting for accurate survey results.
The LDT-402A Electronic Theodolite includes the following four types:
LDT-402AOL Electronic Theodolite
Theodolite, Bottom: Optical, Top: Laser (Red Beam), Grey Shell Color
LDT-402ALO Electronic Theodolite
Theodolite, Bottom: Laser (Red Beam), Top: Optical, Grey Shell Color
LDT-402ALL Electronic Theodolite
Theodolite, Bottom: Laser (Red Beam), Top: Laser (Red Beam), Grey Shell Color
LDT-402AOO Electronic Theodolite
Theodolite, Bottom: Optical, Top: Optical, Grey Shell Color
LDT-402A Electronic Theodolite Specifications
| Model No. | LDT-402A | |
| Tribrach | Model | Detachable |
| Telescope | Imaging | Erect |
| Magnification | 30X | |
| Objective Aperture | 45mm | |
| Resolution | 3" | |
| FOV | 1°30' | |
| Minimum Focus | 1.3m | |
| Multiplication/Additive Constant | 100/ 0 | |
| Length | 156mm | |
| Angle Measurement | Measuring Mode | Absolute Encoder |
| Minimum Reading | 1"/ 5" | |
| Reading Accuracy | 2" | |
| Circle Diameter | 71mm | |
| Angle Units | 360°/ 400gon/ 6400mil | |
| Compensator | Tilt Sensor | Yes |
| Range | ±3' | |
| Laser Plummet | Wave Length | 635nm Red Beam |
| Power | 1mw | |
| Accuracy (1.5m) | 1mm | |
| Laser Grade | ClassⅡ | |
| Optical Plummet (Optional) | Magnification | 3x |
| Field of View | 5° | |
| Focus Range | 0.5m—∞ | |
| Vial | Plate Vial | 30"/ 2mm |
| Circular Vial | 8'/ 2mm | |
| Display | Dual Face | LED Backlight |
| Power | Power Resource | NiMH Battery 4.8V 1500 mAh |
| Working Temperature | -20℃～+50℃ | |
| Output | Data output | RS232C |
| Memory(points) | 1000 | |