SKU: SENS-2456
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Hi-Link HLK-LD8001 Liquid Level Detection Radar Sensor (79-81GHz) - SPI/UART/I2C Interface

₹4,889.00 (Inclusive of all taxes)
Out of Stock

The Hi-Link HLK-LD8001 is a high-precision 79-81GHz FMCW radar sensor module designed for non-contact liquid and material level measurement up to 15 meters. It integrates an ARM Cortex-M3 core and supports SPI, UART, and I2C communication for seamless integration with industrial PLCs, Raspberry Pi, and custom embedded systems.

Features

  • 79-81GHz FMCW radar with integrated ADT3102 transceiver for high-resolution measurement.
  • Up to 15-meter non-contact detection range with ±5mm accuracy.
  • Multi-interface support: SPI, UART, and I2C for flexible system integration.
  • Integrated 1T1R PCB high-gain antenna with 100° horizontal beam angle.
  • Onboard ARM Cortex-M3 processor and 1MB flash for embedded signal processing.

Out of stock

Description

The HLK-LD8001 utilizes Frequency-Modulated Continuous Wave (FMCW) radar technology, providing highly accurate and continuous distance measurement unaffected by environmental factors like dust, vapor, or changing material properties. Its monolithic 76-81GHz RF system and advanced signal processing algorithms enable reliable performance in challenging industrial settings.

This sensor is engineered for demanding applications requiring precise level monitoring. The integrated ARM Cortex-M3 core handles complex radar signal processing on-module, reducing the computational load on the host controller and ensuring stable, real-time data output through its selectable communication protocols.

Key Features

  • High-Frequency FMCW Radar: Operates at 79-81GHz for superior resolution and immunity to interference.
  • Monolithic RF Integration: Features the ADT3102 chip with integrated transceiver, antenna, and processing unit.
  • High-Precision Ranging: Delivers continuous measurement with an accuracy of ±5mm across its full 15m range.
  • Flexible Communication: Offers SPI, UART, and I2C digital interfaces for easy connection to microcontrollers and data loggers.
  • Wide-Angle Antenna: Equipped with a PCB antenna featuring a 100° horizontal and 80° tilt beam angle for broad coverage.
  • Embedded Processing Power: Built around an ARM Cortex-M3 core with 1MB of flash memory for onboard algorithm execution.
  • Optimized Performance-to-Cost Ratio: Provides industrial-grade radar sensing capabilities in a compact, value-engineered module.

Applications

  • Non-contact liquid level monitoring in chemical storage tanks and silos.
  • Bulk solid material level measurement in hoppers and grain bins.
  • Industrial process control and inventory management systems.
  • Wastewater treatment plant level sensing and pump control.
  • Precision level detection in food & beverage and pharmaceutical processing.

Technical Specifications

ManufacturerHi-Link
Model NumberHLK-LD8001
Sensor TypeFMCW Radar Sensor
Operating Frequency79 GHz ~ 81 GHz
Maximum RangeUp to 15 meters
Accuracy±5 mm
Antenna Type1T1R PCB High Gain
Antenna Beam Angle100° Horizontal, 80° Tilt
Communication InterfacesSPI, UART, I2C
Processing CoreARM Cortex-M3
Onboard Memory1 MB Flash
Item TypeRadar Sensor Module

Frequently Asked Questions

What is the operating voltage and power consumption of the HLK-LD8001 sensor?

The module requires a standard 3.3V or 5V DC supply, typical for embedded systems. Specific current draw details should be confirmed from the official Hi-Link datasheet, as power consumption varies with operational mode and radar processing activity.

How do I communicate with the sensor using I2C or UART?

The HLK-LD8001 supports configurable communication protocols. For I2C, connect the SDA and SCL pins to your microcontroller with appropriate pull-up resistors. For UART, connect TX and RX pins directly. You must configure the module's interface mode via initial setup commands as per the protocol guide.

Can this radar sensor measure through plastic or glass containers?

Yes, high-frequency FMCW radar signals can penetrate non-metallic materials like plastic or glass with minimal attenuation. However, the material's thickness and dielectric constant will affect signal strength and must be considered during installation and calibration for accurate readings.

What is the beam angle, and how does it affect installation?

The antenna has a -3dB beam angle of 100° horizontally and 80° in tilt. This wide angle simplifies installation by reducing alignment precision requirements but means the sensor will average the distance across a large surface area. Mount it directly above the target material surface for best results.

Package Includes

  • 1 x Hi-Link HLK-LD8001 Liquid Level Detection Radar Sensor Module

Additional Information

Weight 0.01 kg
Dimensions 10 × 7 × 2 cm