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T51

ILS-T51 3D Depth Imaging LiDAR

T51

All-solid-state 3D depth-imaging LiDAR—ushering in the 3D era of machine vision.

The T51 is an industrial-grade, all-solid-state 3D LiDAR sensor based on Time-of-Flight (ToF) technology. It eliminates traditional mechanical rotating components and can deliver real-time depth point cloud data and grayscale images at a high frame rate of 30 fps with a resolution of 320×240.
The T51 boasts a wide field of view of 72°×55°, enabling it to capture three-dimensional spatial information from the ground all the way up into the air. This effectively addresses the blind-spot issue that traditional 2D radar cannot detect suspended obstacles or low-lying objects. With its ultra-compact body measuring just 97×47×23mm and an IP65 protection rating, the T51 can be seamlessly integrated into AGV forks, robotic arm end-effectors, or confined spaces, providing mobile robots with a precise “3D vision” for navigation and obstacle avoidance, pallet positioning, and volume measurement.

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Overview

From “line” to “surface”—a comprehensive, three-dimensional perception.

The T51 breaks through the limitation of traditional 2D LiDAR, which can only scan in a single plane. By leveraging Time-of-Flight (ToF) array technology, it can capture three-dimensional depth information of all objects within its field of view in one go, effectively detecting overhead obstacles (such as shelf beams) and low-profile objects, thereby eliminating vertical blind spots in AGV operations.

Pure solid-state design for ultimate stability and durability.

It features no mechanical rotating parts internally, completely eliminating issues related to mechanical wear and vibration-induced failure. This all-solid-state design ensures an exceptionally long service life and extremely high reliability, making it particularly well-suited for installation on forklifts, AGVs, or robotic arms that experience frequent vibrations.

Compact size, the ideal choice for built-in integration.

The T51 boasts an astonishingly compact size (97×47×23mm)—just half the size of a typical smartphone. It can be easily integrated into the forks of unmanned forklifts, the end effector of robotic arms, or tight spaces within equipment, enabling powerful 3D vision capabilities without altering the device’s external appearance.

Core features

Imaging technology: 3D ToF (Time-of-Flight)
Measurement range: 0.05 m ~ 3 m (10% reflectance)
Field of View (FOV): 72° (horizontal) × 55° (vertical)
Resolution: 320 × 240 pixels
Frame rate: 15 fps
Measurement accuracy: ±2 cm (0.15 m ~ 1 m)
Obstacle avoidance function: Supports 16 groups of 3D area protection.
Data interface: 100M Ethernet (TCP/IP)

It’s not just obstacle avoidance—it’s the robot’s “3D慧眼.”

T51 fills the gap in stereoscopic spatial perception that traditional 2D sensors have left behind. In Autonomous forklift In the application, it is installed on the fork tips or the vehicle roof to precisely detect pallet hole positions and overhead obstacles; in... Service robot Among them, it can effectively detect small objects such as table legs and glass doors; in Logistics Inspection Among them, it can quickly obtain information about the volume and location of packages. The T51 enables machines to understand the three-dimensional world, making their actions smarter.

The Power of Pure Solid-State 3D Perception

Say goodbye to “blind men touching an elephant” and achieve true three-dimensional protection.

Traditional 2D LiDAR can only scan a single horizontal plane, often proving powerless against obstacles that are either above or below the scanning plane—such as overhead shelf beams or low pallets on the ground—thus allowing “objects that slip through the net” to cause collisions.

The T51 outputs a high-density 3D point cloud, creating a conical sensing space measuring 72° × 55°. Whether it’s suspended objects in the air or small obstacles on the ground, as long as they enter this three-dimensional space, they will be precisely detected, providing mobile robots with comprehensive, dead-zone-free safety coverage.

Dual data—depth and grayscale—empower intelligent algorithms.

T51 not only provides distance information for each pixel (depth map), but also simultaneously outputs reflectance information of the object’s surface (infrared grayscale image).

This rich variety of data dimensions enables upper-level algorithms not only to determine “what’s there” but also to assist in identifying “what it is.” By leveraging this data, you can develop advanced vision-based functions such as **pallet hole recognition, human pose analysis, and cargo volume calculation**, greatly expanding the application boundaries of sensors.

Custom 3D protection zones for precise alignment with the scene.

The T51 is equipped with a powerful area monitoring algorithm. Using the accompanying software, users can draw various regular or irregular three-dimensional protection zones in 3D space—such as cylindrical, conical, cubic, and other shapes.

Supports 16-zone switching, with each zone comprising 3 independent areas (alarm, deceleration, and stop). This means you can dynamically adjust the shape of the “safety guard” in real time based on the robot’s robotic arm posture or operating environment, ensuring safety while preventing false triggers.

Adaptive exposure, unafraid of complex lighting conditions.

Based on its unique adaptive automatic exposure technology, the T51 can adjust its sensitivity parameters in milliseconds according to changes in ambient light.

It boasts an anti-environmental-light capability of 10,000 lux, enabling it to deliver clear and stable depth images whether in dimly lit warehouse corners or by sunlit windows with scattered light. This high robustness makes it an ideal choice for machine vision applications in uncontrolled lighting environments.

YINTAILI All-round Services

SDK and Secondary Development Support

We provide a comprehensive C++/Python SDK and ROS driver package, supporting cross-platform development on Windows and Linux, enabling you to quickly integrate 3D vision capabilities.

Algorithm Customization Service

For the needs of identifying specific objects and measuring their volumes, our algorithm team can provide you with in-depth custom development services.

Fast Delivery Guarantee

Leveraging the strong production capacity of our Tianjin facility, we promise ample in-stock availability of standard products and rapid response to bulk orders, ensuring the smooth progress of your project.

Explore more potential applications

3D obstacle avoidance and pallet positioning for unmanned forklift forks

When performing cargo storage and retrieval tasks, forklifts often need to extend their forks deep into the shelves or operate in mid-air. Traditional 2D LiDAR sensors, typically mounted at the bottom of the vehicle body, are unable to detect overhead obstacles at fork height—such as protruding steel beams or improperly arranged goods. As a result, forklifts are highly susceptible to “high-altitude collisions” when lifting or moving forward. Moreover, accurately identifying pallet slot positions has long been a persistent challenge in the industry. Relying solely on mechanical positioning is often insufficiently precise, easily leading to failed insertion attempts or even damage to the goods.

Intelligent Warehouse Robots (AGVs/AMRs): 3D Environment Perception and Stereoscopic Obstacle Avoidance

In automated warehouses with dense storage, AGVs and AMRs need to swiftly navigate through narrow aisleways between shelves. Traditional 2D LiDAR sensors can only scan a single plane at a fixed height above the ground—typically around 20 cm—leaving significant vertical blind spots. As a result, low obstacles on the ground—such as dropped delivery boxes or abandoned pallet blocks—or suspended objects just slightly above the ground—such as pallet corners extending from the bottom of shelves—often go completely unnoticed by 2D LiDAR. This makes robots highly susceptible to undercarriage scrapes, cargo collisions, or even impacts against shelf uprights, potentially leading to serious safety incidents.

Autonomous Forklift: 3D Obstacle Avoidance and Spatial Safety Protection

When operating among densely packed storage racks, unmanned forklifts face complex three-dimensional spatial challenges. Traditional 2D obstacle-detection radars can only scan a plane approximately 20 cm above the ground, leaving a significant vertical blind zone. As a result, these radars often “fail to see” overhead rack beams, partially protruding goods, or low-level pallets on the floor. This makes forklifts highly susceptible to accidents during operation—such as collisions between the mast and overhead objects or damage to goods from rubbing against surrounding facilities. Such incidents not only cause costly damage to logistics equipment but also pose a serious threat to the safety of personnel on site.

Collaborative Operations in 3D Warehousing: 3D Safe Interconnection Between AGVs and Overhead Cranes

In modern smart factories, the operational areas of ground logistics (AGVs/AMRs) and aerial logistics (cranes and gantry robots) often overlap significantly. When a crane is lowering a suspended load, if an AGV suddenly enters the area below, a severe “Mount Tai crushing” collision accident can easily occur. Meanwhile, conventional AGVs are equipped only with 2D radar, which can only scan the ground surface and completely “fail to see” objects that are hovering mid-air or lifting devices that are in the process of descending—posing a critical vertical blind-spot hazard.

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Order Number	Product line	Product Name	Product abbreviation	Configuration Instructions	Scanning angle	Scanning frequency	Resolution	Measure the distance	10% reflectivity detection range	Accuracy	Input/Output Interface	Anti-light interference	Operating temperature	Power supply voltage	High and low voltage levels	Power consumption	Protection	Housing dimensions	Shell material	Cable length	Applicable scenarios
0101137	T51	ILS-T51 3D Depth Imaging LiDAR	T51	Standard stereo obstacle avoidance	72° × 55°	15 Hz	320×240	3 meters	3 meters	±2 cm	Ethernet, multi-channel IO level output	100,000 Lux	-10°C to 50°C	DC 10~28V	-	≤4W	IP65	97mm (length) × 23mm (width) × 47mm (height)	Aluminum alloy	-	-
0101232	T51	ILS-T51 3D Depth Imaging LiDAR	T51-60-S06	Material Roll Center Coordinate Detection	72° × 55°	15 Hz	320×240	3 meters	3 meters	±2 cm	Ethernet, multi-channel IO level output	100,000 Lux	-10℃ to +50℃	DC 10~28V	-	≤4W	IP65	97mm (length) × 23mm (width) × 47mm (height)	Aluminum alloy	0.6 m	Material Roll Center Coordinate Detection
0101287	T51	ILS-T51 3D Depth Imaging LiDAR	T51-200-S09	Protocol Data Switching 3D Obstacle Avoidance Area	72° × 55°	15 Hz	320×240	3 meters	3 meters	±2 cm	Ethernet, multi-channel IO level output	100,000 Lux	-10℃ to +50℃	DC 10~28V		≤4W	IP65	97mm (length) × 23mm (width) × 47mm (height)	Aluminum alloy	2 meters