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HESAI OT128 Long Range ASIL-B Safety Rated High Performance Ground Truth Lidar Sensor

Scalable 360-Degree Perception
Calibration Free 360° Unstitched FOV

$17,500.00

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Scalable 360-Degree Perception
Calibration Free 360° Unstitched FOV

Scalable 360-Degree Perception

The OT128 spinning lidar utilizes a simplified transceiver module design to significantly reduce the cost while still maintaining extremely high performance and reliability.The unique combination of high-performance 360-degree perception and affordability makes the OT128 the ideal lidar solution for scalable autonomous driving applications.

HESAI OT128 - Key Specifications

Point Rate

3,456,000 points/s (Single Return)
6,912,000 points/s (Dual Return)

Field of View

360° (H) x 40° (V)

Power Consumption

29 W

Angular Resolution (Finest)

0.1° (H) x 0.125° (V)

Range

200 m @10% Reflectivity, 230 m Maximum

Size (Max. Diameter x Height)

118.0 mm x 132.3 mm

Calibration Free 360° Unstitched FOV

A single OT128 lidar can cover a vehicle’s entire field of view without stitching, eliminating the need for multiple calibration steps which can significantly accelerate algorithm development.

Ultra-High Resolution, Powering Seamless Intelligent Driving

With a finest angular resolution of 0.1° (H) x 0.125° (V), the OT128 can accurately perceive objects large and small at a distance of 200 meters away,
providing powerful perception data for autonomous driving systems.
Powerful Perception Data for Autonomous Driving Systems HESAI OT128 Lidar Sensor

Long-Range Perception for Comprehensive On-Road Awareness

Under 100 klux strong ambient light, OT128 has a ranging capability of 200 m at 10% reflectivity (230 m maximum),
clearly detecting objects in real time and capturing every detail of its surrounding road conditions.
 
Point cloud image captured by Hesai OT128 LiDAR showing long-range road detection up to 230 meters with high accuracy.
Point cloud image from Hesai OT128 LiDAR showing highway traffic detection with vehicles and road infrastructure for autonomous driving.

IPE: Noise Filter Function Enables All-Weather Perception

Leveraging Hesai’s proprietary Intelligent Point Cloud Engine (IPE), the OT128 is capable of detecting rain, fog, exhaust fumes, and water splashes on the road. It performs real-time marking of these phenomena at a pixel level, effectively filtering out environmental noise. This capability will significantly mitigate the impact of rain and fog on lidar performance, there by enhancing its clarity and enabling all-weather perception across various applications.

HESAI Lidar Sensor Selection Guide

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JT16 JT128 FTX FT120 ATX AT128 AT360 ETX XT16 XT32 XT32M QT128 OT128 Pandar128
Object Detection ● ● ● ● ● ● ● ● ● ● ● ● ● ●
Mapping ● ● NaN NaN NaN NaN NaN NaN NaN ● ● NaN ● ●
Object Identification ● ● NaN NaN ● ● ● ● NaN ● ● ● ● ●
Automotive Grade NaN NaN ● ● ● ● ● ● NaN NaN NaN ● ● ●
Channels 16 128 NaN 120x160 256 128 360 1024 16/32 32 32 128 128 128
Field of View 360° X 40° 360° X 99° 140° X 180° 100° X 75° 140° x 20° 120° X 25.4° 18° X 120° 120° × 20° 360° X 31° 360° X 31° 360° X 40.3° 360° X 105.2° 360° X 40° 360° X 40°
Range 30m @ 10% Reflectivity 20m @ 10% Reflectivity 30m @ 10% Reflectivity 22m @ 10% Reflectivity 200 m @ 10% Reflectivity 210m @ 10% Reflectivity 300m 400 m @ 10% Reflectivity 80m @ 10% Reflectivity 80m @ 10% Reflectivity 80m @ 10% Reflectivity 20m @ 10% Reflectivity 200m @ 10% Reflectivity 200 m @10% Reflectivity
Min Range 0m 0m NaN 0.1m NaN 1m NaN NaN 0.05m 0.05m 0.5m 0.05m 0.3m 0.3m
Weight 0.199kg 0.22kg 0.2kg 0.7 kg 0.36 kg 0.94 kg 950g 0.6 kg 0.8 kg 0.8kg 0.49 kg 0.7 kg 2.2 kg 1.63 kg
Accuracy NaN NaN NaN 5 cm NaN 5 cm 5cm NaN 1 cm 1cm 1 cm 3 cm 3 cm 5cm
Max Range 100m 25m NaN 50m 300m 260m 250m 400m 120m 120m 300m 50m 230m 200m
Resolution Horizontal 0.6° 0.45° NaN 0.625° 0.08° 0.1° - 0.2° 0.06° - 0.12° 0.05° 0.09° - 0.36° 0.09° - 0.36° 0.09° - 0.36° 0.4° - 1.6° 0.1° - 0.4° 0.1°
Resolution Vertical 2.67° 0.8° NaN 0.625° 0.1° 0.2° - 0.8° 0.05° - 0.1° 0.05° 1° / 2° 1° 1.3° 0.4° - 1.6° 0.125° - 1.72° 0.125°
Availability Now Soon Q2 2026 Until Q4'25 Q4 2025 Now Soon Now Now Now Now Now Now Now

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