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HESAI

HESAI QT128 LiDAR

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Product Information


Technical Specifications

Parameter Value
   Model QT128
   Scanning method
Mechanical rotation
   Number of channels
128
   Instrumented range 0.5 to 50 m
   Ranging capability 20 m (at 10% reflectivity, channels 9 to 120)
15 m (at 10% reflectivity, channels 1 to 8 and 121 to 128)
   Ranging accuracy ±3 cm (typical)
   Ranging precision
2 cm (typical)
   Horizontal FOV 360°
   Horizontal resolution 0.4° (10 Hz) (Channels 65 to 128)
0.8° (20 Hz) (Channels 65 to 128)
0.8° (10 Hz) (Channels 1 to 64)
1.6° (20 Hz) (Channels 1 to 64)
   Vertical FOV
105.2° (-52.6° to +52.6°)
   Vertical resolution 0.4° to 0.5° (Channels 78 to 115)
0.8° to 1.6° (other channels)
   Frame rate 10 Hz, 20 Hz
Return mode
 Single return: First/Second/Last/Strongest
Dual return: 5 modes
   Wavelength
940 nm
Laser class
Class 1 Eye Safe
Ingress protection
IP6K7 & IP6K9K
Dimensions

Height: 83.9 mm
Top/Bottom: Φ85.9/87.0 mm

Rated voltage range
DC 12 to 24 V
Power consumption
12 W
Operating temperature
-40℃ to 85℃
Storage temperature
-40℃ to 95℃
Weight
700 g
Data transmission
Automotive Ethernet, 1000BASE-T1, slave mode
Measurements
Distance, azimuth angle, and reflectivity
Valid point rate
Single Return: 864000 pts/sec
Dual Return:  1728000 pts/sec
Point cloud data rate
Single Return:   42.23 Mbps
Dual Return:   84.46 Mbps
Clock source
PTP
PTP clock accuracy
≤1 μs
PTP clock drift
≤1 μs/s


QT128_User_manual.pdf
HESAI_QT128_LiDAR.stp