HLK-LD8001H radar sensor is a radar module designed specifically for hydrological detection. This module adopts FMCW mode, non-contact installation design, compact size, and compact structure. High precision, low power consumption, strong anti-interference ability, suitable for water level monitoring in lakes, rivers, mountain flood warning, reservoirs, sewage pipelines, etc
Measurement.
Specifications
① Functional parameters
Parameters
Symbol
Min
Typical
Max
Unit
Illustrate
Transmitter
Transmission frequency
f
77
81
GHz
Broadband 4G
Output Power (EIRP)
Pout
13
20
dBm
Antenna angle (refer to Figure 4)
Beam width (-3dB)
horizontal direction
±25
bpm
vertical direction
1
±25
Min
Beam width (-3dB) external lens antenna
horizontal direction
1
±3
vertical direction
±3
Power
working voltage
VCC
3.5
3.7
5
V
working current
LCC
30
mA
typical
value
Output
UART output, default baud rate 115200, ASCII/Modbus protocol can be freely switched
Environment
Operational temperature
TOP
﹣45
+ 85
℃
Module size
35 x 35 x 1.2 mm
weight
5 g
Measurement indicators
Ranging range
0.15~40m
measurement accuracy
±5mm
resolution ratio
1mm
Start Time
Fastest 100ms
Explanation:
The working frequency band of the radar is 80GHz, and the maximum measurement range is 40 meters. Depending on the size of the object's RCS, the maximum detection distance will be there is a deviation.
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