DJI Zenmuse L1 (LIDAR)

The Zenmuse L1 integrates a Livox Lidar module, a high-accuracy IMU, and a camera with a 1-inch CMOS on a 3-axis stabilized gimbal. When used with Matrice 300 RTK and DJI Terra, the L1 forms a complete solution that gives you real-time 3D data throughout the day, efficiently capturing the details of complex structures and delivering highly accurate reconstructed models

41,370 AED(VAT included)

Instant Clarity. Superior Accuracy.

A Lidar + RGB Solution for Aerial Surveying

The Zenmuse L1 integrates a Livox Lidar module, a high-accuracy IMU, and a camera with a 1-inch CMOS on a 3-axis stabilized gimbal. When used with Matrice 300 RTK and DJI Terra, the L1 forms a complete solution that gives you real-time 3D data throughout the day, efficiently capturing the details of complex structures and delivering highly accurate reconstructed models

Visualize Data as You Fly

LIVOX LIDAR MODULE

– Frame Lidar with up to 100% effective point cloud results
– Detection Range: 450m (80% reflectivity, 0 klx) / 190 m (10% reflectivity, 100 klx)
– Effective Point Rate: 240,000 pts/s
– Supports 3 Returns
– Line Scan Mode and Non-repetitive Petal Scan Mode

Everything in View

RGB CAMERA

– 20MP
– 1-inch CMOS
– Mechanical Shutter

Accurate Details at Your Disposal

HIGH-ACCURACY IMU

– Accuracy: 0.025° (roll/pitch) / 0.08° (yaw)
– Vision Sensor for Positioning Accuracy
– GNSS, IMU, RGB Data Fusion

Point Cloud LiveView

Real-time point clouds provide immediate insights onsite, so operators are informed to make critical decisions quickly.
You can also verify fieldwork quality by checking point cloud data immediately after each flight.

Measurement and Annotation

Acquire and communicate critical dimensions on the point cloud model using measurements and annotations.

One-stop Post-processing

DJI Terra fuses the IMU and GNSS data for point cloud and visible light calculations, in addition to conducting POS data calculations so you can effortlessly generate reconstructed models and accuracy reports.

The DJI Zenmuse L1 is a cost-efficient and easy to use enterprise aerial LiDAR payload, engineered for DJI’s flagship commercial drone, the M300 RTK. The L1 integrates a Livox sensor, high-precision IMU, a one-inch 20MP CMOS visual camera with mechanical shutter, and 3-axis stabilised gimbal system.

Combine it with the M300 RTK and the mapping software DJI Terra for a highly-efficient all-in-one aerial LiDAR solution to obtain 3D point clouds for high accuracy and detailed reconstruction.  The L1 can be used across a range of industry verticals, such as energy, AEC, forestry, public safety, and more.

The highlights of the L1 are:

  • All-in-one Solution: Integrates a Lidar module, an RGB camera, and a high-accuracy IMU.
  • High Accuracy: Vertical – 5cm; Horizontal – 10cm (with 50m flight height).
  • Efficient: Cover 2km² in a single flight (flight velocity 10 m/s, flight height 100m, side overlap ratio 20%).
  • High Density Point Cloud: 240,000 effective points/s.
  • Multiple Returns: Support three returns (Dual and Triple returns, point cloud density 480,000 pts/sec).
  • Measurement Range: 450m maximum (80% reflectivity 0 klx).
  • Real-time Point Cloud View: Able to display and measure point clouds in real time.
  • Weather Resistant: IP44 rating, enabling operators to collect data in rainy or foggy environments.
  • DJI Ecosystem: Use DJI Terra for post-processing data.

MAXIMISE DATA COLLECTION

Generate point clouds in real-time.

Streamline LiDAR Missions

The Zenmuse L1 integrates a powerful and ultra-lightweight Livox Lidar module with a 70° FOV, a high-accuracy IMU, and a 20-megapixel camera with a 1-inch CMOS sensor. The Zenmuse L1 can generate true-color point cloud models in real-time, or acquire a vast area (up to 2km²) of point cloud data in a single flight.

With a Point Rate of 240.000 points per second and a detection range of 450 meters, the ease and speed of capturing quality Lidar data is unprecedented.  The module supports both Line Scan Mode and Non-repetitive Scanning Mode, a unique technology developed by Livox.

This will provide full coverage of the area of interest in a very short amount of time, and allows the sensor to capture data in any direction, instead of along a defined plane. The Zenmuse L1 Lidar solution can easily penetrate vegetation canopies and foliage.

When the aircraft unexpectedly loses GNSS signal, the DJI L1 can continually use the visual assistant camera to receive orientation data and maintain system accuracy within a short period of time.

High Accuracy IMU

DJI L1 Additional Features

Payload Health Management System: Built into the DJI Pilot app, the Payload Health Management System records the total use time of the DJI L1, as well as the number of rotation times, error logs, and product maintenance suggestions.

Real-time Awareness Flight: The LiDAR sensor can obtain the aircraft’s height above the ground in real-time and perform a terrain awareness flight to ensure data quality and flight safety.

Accuracy Report: After the flight, DJI Pilot will generate an inspection report, view the quality of the point-cloud data, the photo position, number of photos, and the RTK status, so the pilot can confirm the quality of the data on-site.

DJI L1 – EMPOWERING AERIAL SURVEYS

LiDAR sensor has a range of uses.

Generate Accurate Models And Reconstructions

The DJI L1 is aimed at commercial drone users who are seeking high-accuracy aerial surveying solutions. The LiDAR sensor can empower clients in energy, AEC, public safety, architecture/heritage, and forestry management. The L1 is ideal for the following scenarios:

  • Topographic Survey: Collect elevation data in a dense vegetation field. The L1 is able to extract Digital Elevation Models (DEM) and Digital Surface Models (DSM).
  • Infrastructure Reconstruction: Reconstruct highly-detailed structures such as power lines, and oil and gas pipelines to reduce manned operations – improving efficiency and increasing safety.
  • Forestry: Due to the multi-echo capability of the DJI L1, the elevation data in dense forest fields can be easily generated and extracted into DEM and DSM.
  • Emergency Mapping Survey: The DJI L1 is capable of capturing real-time, true colour point-cloud models. This provides up to date information for emergency response teams. The IP44-rated L1 can also operate in rainy/foggy conditions, as well as low-light scenarios.
HOW LIDAR CAN HELP YOUR COMMERCIAL DRONE OPERATIONS

Harness The Power Of The DJI Ecosystem

Operators can use the DJI ecosystem for an end-to-end LiDAR surveying workflow. This involves the M300 RTK, the L1 sensor, DJI Terra, and the DJI Pilot app.

  • UAS Platform: DJI M300 RTK drone and L1 payload.
  • Ground Control App: DJI Pilot (able to generate point clouds in real-time).
  • Post-processing Software: DJI Terra (professional version or above).
  • Data Output: 3D point cloud in .LAS format.

Data Acquisition: Plan mission using DJI Pilot app, with a range of mission options available. Make sure the M300 RTK is connected to RTK network, otherwise DJI Terra will not post-process the captured data.

Data Process: In DJI Terra ‘Aerial Photography’ task, select the mapping scene as ‘LiDAR post-processing’, and then select the source folder containing LiDAR IMU and Inertial Navigation Data to start data processing. If the selected folder contains visible light photos, the generated point-cloud file is a visible light point cloud.

GENERAL

Dimensions: 152×110×169 mm
Weight Approx: 900 g
Power: 30 W
IP Rating: IP44
Supported Aircraft: Matrice 300 RTK
Operating Temperature Range: -20° to 50° C (-4° to 122° F)
Storage Temperature Range: -20° to 60° C (-4° to 140° F)

SYSTEM PERFORMANCE

Detection Range: 450 m @ 80% reflectivity, 0 klx
;190 m @ 10% reflectivity, 100 klx
Point Rate Single return: 240,000 pts/s
;Multiple return: 480,000 pts/s
System Accuracy Horizontal: 10 cm @ 50 m
;Vertical: 5 cm @ 50 m
Real-time Point Cloud Coloring Modes: True color; coloring by reflectivity; coloring by elevation

LIDAR

Ranging Accuracy: 3 cm @ 100 m
Maximum Returns Supported: 3
Scan Modes: Repetitive line scan mode, non-repetitive petal scan mode
FOV: Repetitive line scan: 70.4°×4.5°
; Non-repetitive petal scan: 70.4°×77.2°
Laser Safety: Class 1

INERTIAL NAVIGATION SYSTEM

IMU Update Frequency: 200 Hz
Accelerometer Range: ±8 g
Angular Velocity Meter Range: ±2000 dps
Yaw Accuracy: Real-time: 0.18°, Post-processing: 0.08°
Pitch / Roll Accuracy: Real-time: 0.03°, Post-processing: 0.025°

AUXILIARY POSITIONING VISION SENSOR

Resolution: 1280×960
FOV: 95°

RGB MAPPING CAMERA

Sensor Size: 1 inch
Effective Pixels: 20 MP
Photo Size: 4864×3648 (4:3); 5472×3648 (3:2)
Focal Length: 8.8 mm / 24 mm (Equivalent)
Shutter Speed: Mechanical Shutter Speed: 1/2000 – 8 s / Electronic Shutter Speed: 1/8000 – 8 s
ISO: Video: 100 – 3200 (Auto), 100 – 6400 (Manual)
Photo: 100 – 3200 (Auto), 100 – 12800 (Manual)”
Aperture Range: f/2.8 – f/11

GIMBAL

Stabilized System: 3-axis (tilt, roll, pan)
Angular Vibration Range: 0.01°
Mount: Detachable DJI SKYPORT
Mechanical Range: Tilt: -120° to +30°; Pan: ±320°
Operation Modes: Follow/Free/Re-center

DATA STORAGE

Raw Data Storage: Photo/IMU/Point cloud data storage
Point Cloud Data Storage: Real-time modeling data storage
Supported microSD Cards: microSD: Class 10 or UHS-1 rating or above; Max capacity: 256 GB

POST-PROCESSING SOFTWARE

Supported Software: DJI Terra
Data Format: DJI Terra supports exporting standard format point cloud models:
Point cloud format: PNTS/LAS/PLY/PCD/S3MB format
Reconstruction model format: B3DM/OSGB/PLY/OBJ/S3MB format

What is the protection level of the Zenmuse L1?

The L1 has an IP54 rating according to the IEC60529 standard. This means that it is protected against solid objects over 1mm in size and against water splashed from all directions. The protection level is not permanent however and will decrease over time due to device wear.

To ensure the highest levels of protection:

  • Before installing, make sure that the interface and surface of the gimbal are dry;
  • Before use, make sure that the gimbal is firmly installed on the drone and the SD card protective cap is clean, free of foreign objects, and closed;
  • Before opening the SD card protective cap, wipe the surface of the drone clean.

What aircraft is the L1 compatible with?

The L1 is compatible with the M300 RTK. Before using, please upgrade the firmware of the drone and remote controller to the latest version.

Which apps are compatible with the L1?

The L1 currently supports only the Android version of the DJI Pilot App.

Does the camera require an SD card?

The camera requires a MicroSD card with Class 10 or higher transmission speed or rated UHS-1 , with up to 256 GB supported.

What is the Field of View (FOV) of the L1’s Lidar?

In Non-repetitive Scanning mode, the FOV is 70.4°x77.2°.
In Repetitive Scanning mode, the FOV is 70.4°x4.5°.

What is the maximum measuring range of the L1?

The maximum measuring range of the L1 is [email protected]%, 100klx ; [email protected]%, 0klx.
The recommended typical working height is 50m-120m.

What is the scanning frequency of the L1?

The L1 provides three scanning frequencies: one/two returns: 80K/s, 160K/s, and 240K/s; three returns: 80K/s, 240K/s.

How many scanning modes does the L1 have?

The L1 has two scanning modes: Non-repetitive Scanning mode and Repetitive Scanning mode.

How many returns does the L1 support?

The L1 supports 3 types of returns:

  • One return;
  • Two returns;
  • Three returns.

What does the L1’s Point Cloud LiveView do?

The L1 collects point cloud models based on RTK and displays the collected models on Pilot in real time.

The following features are supported:

  • Rotating, dragging, zooming, quick switching of perspectives, and centering;
  • Multiple coloring modes including RGB, reflectivity, elevation and distance;

How does the L1 perform high-accuracy post-processed modeling?

For high-accuracy post-processed modeling, you can import the data from the SD card into DJI Terra with one click. This will generate a colorized point cloud model with high-accuracy PPK-IMU position and orientation calculation supported.

Which model reconstruction formats does the L1 support?

The L1 supports the following model reconstruction formats:Point cloud formats: PNTS, LAS, PLY, PCD and S3MB

Which types of flight missions does the the L1 support?

The L1 currently supports Mapping, Linear Flight Mission, Oblique and Waypoint.

What is the IMU accuracy of the L1?

In typical operating scenarios, the IMU accuracy of the L1 is 0.025°(roll/pitch)/0.15°(yaw). The accuracy was measured under the following conditions in a DJI laboratory environment: after a 5-minute warm up, using Mapping Mission with Calibration Flight enabled in DJI Pilot, and with the RTK in FIX status. The relative altitude was set to 50 m, flight speed to 10 m/s, gimbal pitch to -90°, and each straight segment of the flight route was less than 1000 m. DJI Terra was used for post-processing.

What is the L1’s auxiliary vision sensor used for?

The vision sensor provides altitude data. This means that if the GNSS signal temporarily fails, the aircraft’s accuracy will not be affected for up to 60 seconds. Support coming soon.

What is the L1’s RGB camera used for?

The RGB camera of the L1 provides basic functions for taking photos and recording videos and provides real-time color information for the point cloud data during the scanning process. This allows the L1 to output true color point clouds and reality models.
Note that Lidar scanning and video recording cannot work simultaneously.

What is the surveying and mapping accuracy of the L1?

The vertical accuracy of the L1 can reach 5 cm and the horizontal accuracy can reach 10 cm. The accuracy was measured under the following conditions in a DJI laboratory environment: after a 5-minute warm up, using Mapping Mission with Calibration Flight enabled in DJI Pilot, and with the RTK in FIX status. The relative altitude was set to 50 m, flight speed to 10 m/s, gimbal pitch to -90°, and each straight segment of the flight route was less than 1000 m. DJI Terra was used for post-processing.

Can the L1 work at night?

The Lidar module of the L1 has active detection capability which can scan terrain to collect point clouds during nighttime or other low light conditions.

Which scanning mode does the L1’s Lidar module adopt?

The Lidar module of the L1 adopts an Advanced Frame Scanning mode. This ensures that all point clouds collected are valid point cloud data.

How efficient is the surveying and mapping operation of the L1?

At a flight height of 100 m and a velocity of 13 m/s, a single flight with the M300 RTK and the L1 can collect data covering an area of 2 km2.

What are the application scenarios of the Zenmuse L1?

The L1 can be widely used in multiple scenarios including:

  • Topographic surveying and mapping
  • Power transmission line corridor modeling
  • Emergency response surveying and mapping
  • Detailed modeling
  • Agriculture & forestry investigation

On which gimbal of the the M300 RTK can the L1 be mounted?

The L1 can be mounted on the right downward gimbal port (when facing the drone) of the M300 RTK. Currently, only suppot single gimbal mode.

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