YellowScan Surveyor Ultra
Series: YellowScan LiDAR scanners for drones
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The YellowScan Surveyor Ultra is a UAV LiDAR system from France for mid-sized multicopters. It is based on the spinning Hesai XT32M2X scanner and, with the SBG Quanta Micro GNSS-inertial unit, forms a system for georeferenced point clouds.
The range is 300 m. As point rate, YellowScan states 640,000 shots per second, that is, the number of laser pulses and not of points; up to 3 echoes per pulse capture ground and vegetation at once. The field of view is 360 × 40.3°. Accuracy is 2.5 cm, precision 3 cm; the figures are defined differently and are not to be netted against each other. The system weighs 980 g without battery. IMU and GNSS are integrated.
The weight of 0.98 kg without battery counts towards the take-off mass of the aircraft, whose EU class limits are 900 g (C1), 4 kg (C2) and 25 kg (C3 and C4). The laser scanner is a laser device, and the laser class given by the manufacturer is to be observed. Point clouds of built-up areas fall under data-protection law, and the operator must be registered.
A spinning scanner with an all-round 360° view also captures vertical surfaces such as facades and embankments; for large-area mapping from height, the range of 300 m remains the limit of flying height. The weight applies without battery. The rotation motor with its bearings is the wear part; the window must stay clean, the mount rigid and low-vibration. After knocks the calibration is checked.
Technical data
Other data
| Field of view | 360 x 40, 3 Gradcorrect |
|---|---|
| Horizontal accuracy (cm) | 2.5correct |
| IMU and GNSS integrated | yescorrect |
| Point rate (per s) | 640,000correct |
| Range (m) | 300 mcorrect |
| Returns per pulse | 3correct |
| Weight (g) | 980correct |
What to check before buying
- Check the hour meter against the service records — a replaced instrument is the most common gap.
- Compare the data plate and chassis number with the papers.
- Ask about parts availability for this build year — the running costs hang on it.
A general list for this type of machine — no substitute for an inspection or an appraiser.
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