Hi-link HLK-LD7901B 79Ghz Water Level Radar Sensor Module Image 1

Hi-link HLK-LD7901B 79Ghz Water Level Radar Sensor Module Image 2

Hi-link HLK-LD7901B 79Ghz Water Level Radar Sensor Module

The Hi-Link HLK-LD7901B is a 79GHz millimeter-wave water level radar sensor module designed for high-accuracy, non-contact liquid level measurement. It offers millimeter-level precision, strong anti-interference performance, and easy serial integration for industrial and environmental monitoring applications.

Water level meter product is based on 79G millimeter wave detection principle of independent research and development of a water level detection sensor, its high measurement accuracy, low power consumption, high sensitivity, stable performance, better adapted to the detection of water level.

Hi-link HLK-LD7901B 79Ghz Water Level Radar Sensor Module Advantages :

The product adopts narrow beam design, which has strong anti-interference ability and long distance ranging
79G millimeter wave high band radar, can reach millimeter ranging accuracy
The product is highly integrated and contains a digital signal processor and controller to realize advanced radar digital signal processing algorithms
Theproduct is easy to connect, easy to use and integrate, and supports serial protocol connection

Price : 5,792.00 excl. GST

Qty	Price
1 >	5,792.00
50 >	5,561.00
200 >	5,468.00
500 >	5,375.00
1000 >	5,329.00
1001 >	5,329.00

Description
Datasheet

The Hi‑Link HLK‑LD7901B is a high-performance 79 GHz millimeter-wave radar water level sensor developed using advanced radar detection principles. It is designed specifically for accurate, stable, and long-distance water level measurement in demanding environments.

By operating in the 79 GHz high-frequency radar band, the HLK-LD7901B achieves millimeter-level ranging accuracy, far superior to ultrasonic or low-frequency radar sensors. Its narrow beam design provides excellent anti-interference capability, allowing reliable operation even in complex or noisy industrial environments.

The module is highly integrated, featuring an onboard digital signal processor (DSP) and controller that implement advanced radar signal-processing algorithms. With low power consumption, stable performance, and a serial communication interface, the HLK-LD7901B is easy to integrate into water tanks, reservoirs, sewage systems, and industrial liquid-level monitoring solutions.

Key Features

79GHz millimeter-wave radar technology
Millimeter-level measurement accuracy
Narrow beam design for strong anti-interference performance
Long-distance ranging capability
Highly integrated design with DSP & controller
Advanced radar signal-processing algorithms
Low power consumption
Stable and reliable performance
Easy integration via serial communication protocol
Non-contact measurement – no corrosion or contamination

Technical Specifications

Operating Frequency: 79 GHz (mmWave band)
Detection Principle: Millimeter-wave radar level measurement
Measurement Accuracy: Millimeter-level precision
Beam Type: Narrow beam (high anti-interference)
Signal Processing: Integrated DSP & controller
Interface: Serial communication protocol
Power Consumption: Low-power design
Measurement Type: Non-contact liquid / water level detection

(Refer to the datasheet for exact electrical parameters, pin configuration, and installation guidelines.)

Applications

Water tank level monitoring
Industrial liquid level measurement
Reservoir and dam water level detection
Sewage and drainage system monitoring
Environmental and flood monitoring systems
Smart water management solutions

Package Includes

1 × Hi-Link HLK-LD7901B 79GHz Water Level Radar Sensor Module

190126150658.2.pdf