DJI Zenmuse L3
About the DJI Zenmuse L3
The DJI Zenmuse L3 is DJI's long-range 1535 nm LiDAR payload for the Matrice 400, built for wide-area, high-altitude survey with a higher power budget and long-range detection.
Technical Specifications
| Type | Long-range LiDAR payload |
| Dimensions / Weight | 192×162×202 mm / 1.60 kg |
| Power | 64 W typical / 100 W max |
| Ingress Protection | IP54 |
| Supported Aircraft | Matrice 400 |
| Laser | 1535 nm (Class 1) |
| Data Source | DJI Zenmuse L3 Product Information (official) |
| Point Cloud System Accuracy | At 120 m altitude: 3 cm vertical and 4 cm horizontal RMSE; at 300 m: 5 cm vertical and 7.5 cm horizontal RMSE, under DJI’s stated calibrated Matrice 400/D-RTK 3 and post-processing test. |
| Point Cloud Thickness | 1.2 cm at 1σ from 120 m nadir, or 2 cm at 1σ from 300 m, in DJI’s linear-scanning test. |
| Dual RGB Combined Horizontal FOV | 107° from the two mapping cameras. |
| RGB Ground Sampling Distance | Average 3 cm at 300 m nadir altitude under DJI’s stated calculation method. |
| Operating Temperature | -20° to 50°C. |
| Storage Temperature | -40° to 70°C. |
| Laser Beam Divergence | 0.25 mrad (1/e²). |
| LiDAR Detection Range | 700 m at 10% reflectivity/350 kHz; 950 m at 10%/100 kHz; 2,000 m at 80%/100 kHz in stated lab conditions. DJI caps default range at 900 m; longer range requires DJI or dealer support. |
| Wire Detection Range | 300 m for a 21.6 mm steel-core aluminum wire; 100 m for an 18.4 mm black PVC-insulated wire at 100 klx/350 kHz under DJI’s mapping test. |
| LiDAR Ranging Accuracy | ±10 mm absolute; <5 mm repeatability (1σ) under DJI’s stated temperature, reflectivity and distance test. |
| Minimum Effective Detection Distance | 10 m. |
| Pulse Frequencies | 100, 350, 1000 and 2000 kHz; DJI recommends progressively lower flight altitudes at higher frequencies. |
| Number of Returns | At 100/350 kHz: 4, 8 or 16; at 1000 kHz: 4 or 8; at 2000 kHz: 4. |
| Scanning Modes | Linear: 80° horizontal × 3° vertical; star-shaped and non-repetitive: 80° × 80°. |
| RGB Mapping Sensor | 4/3 CMOS. |
| RGB Mapping Lens | 28 mm equivalent, 73.3° diagonal FOV, f/2.0–f/11. |
| RGB Photo Size | 100 MP: 12288 × 8192; 25 MP: 6144 × 4096. |
| RGB Video | MP4 H.265; 4K 3840 × 2160/30fps or FHD 1920 × 1080/30fps. |
| POS Update Rate | 200 Hz. |
| RTK Positioning Accuracy | 1.0 cm + 1 ppm horizontal; 1.5 cm + 1 ppm vertical with RTK fix. |
| Gimbal Degrees of Freedom | Three axes: pitch, roll and yaw. |
| Gimbal Angular Accuracy | ±0.01°. |
| Data Storage Card | CFexpress Type B; DJI specifies 1,500 MB/s sequential write speed. |
| Data Processing | DJI Terra for point-cloud processing. |
| Official detailed specs | https://enterprise.dji.com/zenmuse-l3/specs (checked 2026-10-16) |
Common Failure Modes
Symptoms: Sparse returns, missing surfaces or lower range than the published controlled-test figure.
Likely areas: Target reflectivity, rain/fog/dust, warm-up, flight geometry and LiDAR window condition.
Compare the actual conditions with the DJI test limits; do not diagnose the transmitter from range alone.
Symptoms: Colorized points or mapping checkpoints do not align as expected.
Likely areas: GNSS/RTK or PPK source, time synchronization, calibration, processing settings and RGB path where fitted.
Review the complete acquisition and post-processing workflow before replacing hardware.
Symptoms: The aircraft does not recognize the LiDAR or gimbal control is abnormal.
Likely areas: Supported aircraft and connector, firmware, power, gimbal and mount.
Power off before inspecting the detachable mount; record the exact aircraft/connector version.
Symptoms: Wet contacts, damaged seals, contamination or visible damage to the optical window.
Likely areas: Housing, window, seals, contacts and storage conditions.
Do not direct-view an operating laser aperture through optical magnifiers; follow the exact DJI manual and isolate damaged equipment.
Repair Notes
Identify L1, L2 or L3 exactly; confirm supported aircraft, connector, firmware and power before diagnosing a payload fault.
Record flight height, scanning mode, target reflectivity, visibility, RTK/PPK status and DJI Terra settings when assessing point-cloud quality.
Power off before detaching the payload. Keep the optical window clean using the manufacturer procedure; avoid direct viewing through magnifiers.
After service, verify recognition, gimbal motion, raw-data recording and a controlled mapping/checkpoint comparison.
DJI Zenmuse L3 Parts Library
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