Weld seam inspection
8000 points per profile resolve the fillet geometry of a seam for inline go / no-go judgement.

LE-9000 series 3D line-scan laser profile measuring instruments LE-9020 / LE-9060 / LE-9080: 8000-point profiles, 90 kHz sampling, ±0.15 µm repeat, HDR, IP67.
Model LE-9020 / LE-9060 / LE-9080 · Brand LE Raun · Category: Laser Displacement & Profile
The LE-9000 series is the high-resolution end of the 3D line-scan profile family: 8000-point profiles streamed at a 90 kHz sampling speed (11.1 µs per profile), with repeat accuracy from ±0.15 µm on the Z axis. Three reference distances — 20, 60 and 80 mm — let the same instrument family serve tight fillet welds and wide gap checks without changing platforms.Capture runs in 2D + 3D mode with native single-frame HDR and multi-frame HDR synthesis, so shiny and multi-material surfaces keep a usable profile where a single-exposure scanner drops out. The housing is IP67 (IEC60529), the temperature characteristic is 0.006% of F.S. per °C, and the laser runs a two-mode safety scheme: 2M class in safety mode and 3B class in performance mode, on Blue LD / Red LD sources.
8000 points per profile resolve the fillet geometry of a seam for inline go / no-go judgement.
Z repeat to ±0.15 µm checks lead coplanarity and connector pin height on dense boards.
Door gaps and panel flush read directly from the profile at line rate.
Native single-frame HDR plus multi-frame synthesis holds the profile across reflective and dark zones.
90 kHz profile sampling keeps up with fast lines without motion blur between points.
| Model | LE-9020 / LE-9060 / LE-9080 |
|---|---|
| Reference distance | 20 mm [LE-9020] · 60 mm [LE-9060] · 80 mm [LE-9080] |
| Repeat accuracy | Z-axis: 0.15 µm , X-axis: 0.15 µm [LE-9020] · Z-axis: 0.2 µm , X-axis: 0.25 µm [LE-9060] · Z-axis: 0.25 µm , X-axis: 0.4 µm [LE-9080] |
| Linear accuracy | Z-axis: ±0.03% of F.S, 0.72 µm (±0.006%) [LE-9020] · Z-axis: ±0.02% of F.S, 1.68 µm (±0.004%) [LE-9060] · Z-axis: ±0.02% of F.S, 5.4 µm (±0.004%) [LE-9080] |
| Profile interval | 1 µm (1–1.5 µm) [LE-9020] · 2.5 µm (2–3 µm) [LE-9060] · 5 µm (4–6 µm) [LE-9080] |
| Profile data quantity | 8000 |
| Sampling speed | Ultra-high-speed mode: 11.1 µs (90 kHz) |
| HDR high dynamic range | Supports native single-frame HDR; supports multi-frame HDR synthesis |
| Temperature characteristics | 0.006% of F.S. / °C |
| Laser class | Safety mode: 2M class laser product · Performance mode: 3B class laser product |
| Light source | Blue LD / Red LD |
| Capture mode | 2D mode + 3D mode |
| Protection level | IP67 (IEC60529) |
| Item | Value |
|---|---|
| Mounting | Rigid bracket at the selected reference distance (20 / 60 / 80 mm); keep the line perpendicular to the travel |
| Note | Mechanical dimensions are not printed individually in the 2026–2027 catalogue |
| Lead | Colour |
|---|
20 mm (LE-9020) for the finest features and tightest repeat; 60 / 80 mm (LE-9060 / LE-9080) when the fixture needs the stand-off.
1 µm (1–1.5 µm), 2.5 µm (2–3 µm) or 5 µm (4–6 µm) — the interval sets the smallest feature the profile can carry.
Safety mode runs 2M class for open areas; performance mode runs 3B class for protected cells needing the full optical budget.
Shiny or mixed-material targets need native single-frame HDR or multi-frame synthesis — verify on the worst surface, not the nominal one.
Profiles arrive every 11.1 µs with 8000 points — fine features at production speed.
The LE-9020 holds Z-axis repeat to ±0.15 µm for coplanarity and seam work.
Native single-frame HDR and multi-frame synthesis keep shiny targets in profile.
In safety mode the instrument is a 2M class laser product — suitable for open areas with blink-reflex protection. Performance mode runs a 3B class laser with the full optical budget for protected cells.
Only in reference distance and resolution: 20 mm / ±0.15 µm / 1 µm interval (LE-9020), 60 mm / ±0.2 µm / 2.5 µm (LE-9060), 80 mm / ±0.25 µm / 5 µm (LE-9080). Profile count, sampling speed, HDR and IP67 are common.
Yes — capture mode is 2D + 3D, so the same head returns an intensity image alongside the height profile.
Send your application details or the guard opening dimensions and we will specify the right model and configuration for your machine.