The RIEGL VQ-840-G is a compact and lightweight laser scanner for combined bathymetric and topographic surveying. The system is offered with an optionally integrated and factory-calibrated GNSS/IMU system and can be complemented with an optional camera or IR rangefinder. The VQ-840-G can be installed on various platforms including UAVs.
A visible green laser provides water penetration for high-resolution surveying of underwater topography and measurement of submerged targets. A measurement rate of up to 200 kHz and high scanning speed of up to 100 scans/sec provides superior spatial resolution, and the system offers concurrent full waveform storage of all measurements for subsequent analysis.
The VQ-840-G is ideal for a wide range of applications, including coastline and shallow water mapping, surveying for hydraulic engineering, and hydro-archaeological surveys.
| Dimensions | 360 mm x 285 mm x 200 mm |
| Weight | 15 kg (with IMU/GNSS and camera or IR rangefinder) 12 kg (without) |
| Power Supply | 18– 34 VDC |
| Laser Pulse Repetition Rate | 50 – 200 kHz |
| Field of View | 40 degrees |
| Scan Speed | 10 – 100 scans/sec |
| Accuracy | 20mm |
| Precision | 15mm |
