Alpha 3D – Dual
High Performance 3D Mobile Mapping Solution
Alpha3D combines an advanced long-range, high-speed, precise laser scanners, a high-resolution HDR panoramic camera in combination with cutting-edge GNSS receiver and ultra-high-precision IMU
- Cutting-edge, dual-head Riegl VUX-1HA22 scanner system with up to 500 scans/sec, up to 1.8 million points/sec for each laser head, and 360° FOV (full circle)
- 30 MP HDR panoramic camera for point cloud colorization or separate photogrammetry data analysis
- Optional additions include GAMS, DMI sensor, second GNSS antenna
- Optional single laser head
- Vehicle independent, simple mounting solution, suits road, rail and water-based applications
- Simple and intuitive browser-based mission setup and automatic data collection, supporting any operation system on any smart device or laptop
- All-in-one processing software, including automated point cloud processing, image georeferencing, point cloud colorization, and results reports
- Ideal for road and rail infrastructure mapping, digital twin, utility and asset management
Key Specifications
Laser Scanner
| range precision | 3 mm (1 sigma @ 30 m range) |
| range accuracy | 5 mm (1 sigma @ 30 m range) |
| max. range | up to 475 m (reflectivity >80%); up to 170 m (reflectivity >10%) |
| field of view | 360° “full circle” |
| scan rate | 2 × up to 1,800,000 points/sec for each laser head |
| scan speed | 500 scans/sec (2 × 250 scans/sec) |
| beam divergence | typically 0.35 mrad@1/e; 0.5 mrad@1/e2 |
| beam footprint | 4.5 mm@exit; 50 mm@100 m |
| angular resolution | 0.001° |
Imaging System
| camera type | 360° spherical camera, additional adjustable external cameras as an option |
| resolution | 30 MP (5 MP x 6 sensors) |
| CCD size | 2048 x 2448, 3.45 μm pixel size |
Positioning and Orientation
| GNSS | multi-constellation, triple-frequency, L-Band |
| IMU | high-precision with standard 100 Hz (user selectable up to 600 Hz) |
| Positioning accuracy (no GNSS outage) | Horizontal: 1 cm (RMS) Vertical: 2 cm (RMS) Pitch/Roll 0.005 degrees (RMS) Heading 0.010 degrees (RMS) |
General System Performance
| Absolute accuracy | < 3 cm (Horizontal) < 2.5 cm (Vertical) (without control points, open sky condition) |
| Total system weight | 36 kg |
| Weight of optional roof rack extension | 16.6 kg |
| Operating temperature | -20°C ~ +40°C |