Ouster OS1 (Rev7)
Series: Ouster LiDAR scanners for drones
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The Ouster OS1 (Rev7) is a digital spinning LiDAR from the USA for mid-range distances that uses up to 128 channels. It is meant for mid-sized multicopters and delivers dense point clouds for mapping and navigation.
The values on this page belong to revision Rev7. The laser works at 865 nm and reaches 170 m at 80 % reflectivity and 90 m at 10 %. With 128 channels, 5,242,880 points per second arise, and two echoes per pulse capture ground and vegetation at once. The field of view is 360 × 42.4°. Accuracy is quoted as ±2.5 cm to Lambert, that is, for a matt, diffusely reflecting target. An IAM-20680HT IMU is built in, a GNSS is not. The unit weighs 430 g without cap and carries the ratings IP68 and IP69K, so it is protected against dust, immersion and high-pressure cleaning. Anyone comparing OS1 figures watches the revision, because datasheets of other revisions quote different ranges and point rates.
The scanner is a laser device, and the laser class given by the manufacturer is to be observed. At 430 g, it stays below the 900 g limit of EU class C1; the classes depend on the total take-off mass of the aircraft, though. Point clouds of built-up areas and images of people fall under data-protection law.
The built-in IMU suffices for motion correction and SLAM; georeferenced data in the field additionally requires a GNSS. The high protection rating allows operation in rain and dust, which still soil a window. The rotation motor with its bearings is the wear part, and the firmware is matched against the datasheet of the revision.
Technical data
Other data
| Field of view | 360 x 42, 4 Gradcorrect |
|---|---|
| Horizontal accuracy (cm) | 2.5correct |
| IMU and GNSS integrated | nocorrect |
| Point rate (per s) | 5,242,880correct |
| Range (m) | 170 mcorrect |
| Returns per pulse | 2correct |
| Wavelength (nm) | 865 Nmcorrect |
| Weight (g) | 430correct |
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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This page carries 8 individual figures for this model. What we cannot document is not here — we leave gaps open rather than estimate them.
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