Radarnivåsensor
The VRS-RAD-N01-1-EX is a compact radar level sensor that uses non-contact measurement technology. With no moving parts, it offers stable operation and low maintenance, making it an ideal choice for industrial and commercial liquid measurements. By emitting electromagnetic waves to irradiate the target and receiving the echoes, it calculates the distance from the liquid surface to the wave emission point, along with information such as the rate of distance change (radial velocity), azimuth, and height.
- Model: VRS-RAD-N01-1-EX
- MOQ: 1 PCS
- Leveransdatum: inom 24 timmar
- Fråga om pris nu
Förfrågningar: E-post: contact@veswe.com | WhatsApp: +8613418148929
RS485 Signal Output – High-Precision Radar Water Level Sensor
Experience the next generation of fluid monitoring with the Veswe radar level sensor. Designed for superior performance in open channels and large tanks, this device features a small beam angle, minimal blind zone, and an expansive measurement range. Unlike traditional capacitive fuel level sensors or oil level sensors designed for closed tanks, this non contact water level sensor excels in exposed water environments. With standard RS485 output, it functions as a reliable radar level transmitter, integrating seamlessly into existing water level monitoring system and iot monitoring system architectures. Whether used as a dedicated river water level sensor for reservoirs or a critical component in a tank level monitoring system, its conical stainless steel housing ensures durability against serene lake backdrops or harsh industrial settings. This electronic water level sensor redefines accuracy for modern water management.
Accurate, Stable, and Easy to Install
Discover the six core advantages that make our radar water level sensor the top choice for hydrological monitoring:
- Accurate and Stable Measurement: Delivers consistent data regardless of environmental fluctuations, outperforming standard waterlevel meter solutions.
- Strong Anti-Interference: Immune to wind, rain, and temperature changes that affect other tank level probes technologies.
- 65m Large Range: Capable of measuring extreme depths, far exceeding standard tank water sensor limits.
- High Precision Chip: Powered by advanced semiconductor technology for reliable readings.
- Blind Area < 0.15m: Industry-leading minimal blind zone ensures measurement starts almost immediately from the sensor face.
- Easy to Install: Simple mounting process reduces deployment time compared to complex wired setups.
These features ensure that whether you are managing a greenhouse irrigation channel or a massive river dam, your water level monitor provides precise and actionable data.
High Precision RF Chip – Self-Developed CMOS Millimeter-Wave
At the heart of our radar level sensor lies a self-developed CMOS millimeter-wave RF chip. This proprietary technology achieves a more compact RF architecture, significantly higher signal-to-noise ratio, and a smaller blind zone than conventional sensors. While a standard non contact liquid level sensor might rely on simpler wave patterns, this radar level transmitter utilizes high-frequency waves to penetrate steam, dust, and turbulence. This advancement makes it an ideal complement to your existing water level monitoring system, providing a layer of high-tech reliability for critical water resource management where traditional well sensor or float-based methods might struggle with surface agitation.
65-Meter Large Measurement Range with ±1mm Accuracy
Push the boundaries of monitoring with a maximum measurement range of up to 65 meters. The wide operating bandwidth of this radar water level meter enables higher measurement resolution, achieving an impressive accuracy of ±1mm. With a blind zone of less than 0.15m, it captures data from the very surface down to deep reservoirs. This extensive range makes it suitable for applications where a standard tank level probe would be insufficient, such as deep wells (acting as a superior well sensor), large irrigation canals, and flood control systems. The device’s robust performance beside flowing rivers illustrates its capability as a premier river water level sensor to handle dynamic, real-world waterways with ease.
Narrowest 8° Antenna Beam Angle for Minimal Interference
Eliminate false echoes and environmental noise with our small beam angle radar sensor, featuring the narrowest 8° antenna beam angle. This focused detection field minimizes interference from surrounding structures, waves, or vegetation during installation, making setup easier and more reliable than wider-beam alternatives. While a typical tank water sensor might pick up reflections from tank walls, this radar level sensor locks onto the water surface with pinpoint accuracy. The visual representation of the narrow blue cone over the ocean highlights how this technology isolates the target measurement, ensuring that your water level monitoring system receives clean, uncontaminated data even in complex hydraulic engineering projects or flood control sensor networks.
IP67 High-Level Protection for All-Weather Operation
Built to endure the elements, this radar water level sensor boasts an IP67 waterproof rating. Its design ensures uninterrupted operation in harsh weather conditions, including heavy rain, snow, and extreme temperatures. Unlike indoor-focused tank level probes, this unit is specifically engineered for outdoor monitoring as a robust water level monitor. The image of the sensor against a snowy glacier backdrop symbolizes its ruggedness, guaranteeing accurate measurements year-round. Whether deployed as part of a water tank level monitoring system irrigation channel or a flood warning network, this protection level ensures your infrastructure remains resilient against nature’s challenges.
Integrated Lens Design – Compact and Efficient
The compact integrated lens structure of our radar level transmitter ensures a small footprint and effortless installation. This streamlined form factor reduces the physical space required on mounting brackets while maintaining high-performance optics. The concentric light rings in the product visualization suggest precision focusing and technological integration. This design philosophy mirrors the efficiency found in modern electronic water level sensor units but adapts it for open-air radar applications. The result is a sleek, low-profile device that integrates cleanly into any tank level monitoring system without obstructing views or requiring bulky enclosures.
Suitable for Ditches, Agriculture, Rivers, and Hydraulic Projects
Our radar level sensor is adaptable to a wide variety of working conditions, expanding your monitoring capabilities beyond standard applications:
- Outdoor Ditches/Canals: Monitor calm waterways bordered by trees and dams with precision using this non contact water level sensor.
- Agricultural Irrigation: Optimize water usage in sprinkler systems watering vast cornfields with a reliable waterlevel meter.
- Rivers & Lakes: Track water levels along forested shorelines and mountain views for flood control using our specialized river water level sensor.
- Hydraulic Engineering Projects: Manage large volume releases at dams with high-confidence data from this advanced flood control sensor.
From acting as a critical node in a remote monitoring systems network for agriculture to serving as a primary sensor in a comprehensive water tank level monitoring system for reservoir management, this device offers the versatility needed for diverse environmental challenges, replacing outdated tank level probes with cutting-edge technology.
About Radar Level Sensor
A radar water level meter refers to a radar product that utilizes 76-81 GHz Frequency Modulated Continuous Wave (FMCW) technology. Our radar water level meter offers a maximum range of up to 70 meters, with a blind zone of less than 10 cm. Thanks to its higher operating frequency and wider bandwidth, it provides greater measurement accuracy. For user convenience, we offer fixed mounting brackets that can be used in combination with our rainfall monitoring station’s poles and main unit. Our radar level meter is unaffected by media and environmental factors, providing accurate and reliable data.
Our radar level sensor features
1. veswe’s radar level meter is based on the self-developed CMOS millimeter wave RF chip, which realizes a more compact RF architecture and a higher signal-to-noise ratio, thus achieving the smallest blind spot.
2. The working bandwidth is large, which enables the product to have higher measurement resolution and measurement accuracy.
3. The narrowest 6° antenna beam angle, the interference in the installation environment has less impact on the level meter, and the installation is more convenient.
4. The integrated lens design is compact and easy to install.
5. Low power consumption and long life.
6. veswe is a professional manufacturer of environmental monitoring equipment with 15 years of production and R&D experience. Our water quality sensors, weather sensors, level sensors and flow meters have ISO9001, CE, RoHS and FCC certifications. At present, Renke brand overseas market is constantly expanding and is your excellent choice.
Our radar level sensor datasheets
| Strömförsörjning | DC10-30V |
|---|---|
| Max. strömförbrukning | 0.2W |
| Transmitting frequency | 76GHz~81GHz |
| Mätområde | 0.1 m ~65m |
| Noggrannhet | ±1 mm |
| Beam angle | 6° |
| Arbetsmiljö | -40℃~+80℃, 0%RH~95%RH (non-condensing) |
| Signalutgång | RS485 |
| Skyddsnivå | IP67 |
Applications
The radar level transmitter is used for non-contact measurement of liquids or slurries. It is suitable for environments with significant temperature and pressure variations, as well as the presence of inert gases and volatile substances. Utilizing Frequency Modulated Continuous Wave (FMCW) technology, it operates reliably within the industrial frequency band range. With low beam energy, it can be installed in various metal and non-metal containers or pipelines without causing any harm to humans or the environment.
Radar Level Sensor Installation
Installation requirements
During installation, it is essential to ensure that the instrument is perpendicular to the water surface and to avoid the radar beam being directed at obstructions that may cause false echoes. The specific requirements are as follows:
1. Ensure that the radar level sensor is installed perpendicular to the water surface. Any tilt may weaken the received signal amplitude, affecting accurate distance measurement.
2. Ensure that there are no obstructions within the beam range, such as riverbanks or other nearby structures.
Wiring requirements
Our radar water level sensor supports a wide voltage input range of 10–30V. When wiring the 485 signal lines, ensure that the A/B lines are not reversed, and that the device addresses on the bus do not conflict with each other. Serial port parameters: RS485, baud rate – 9600, data bits – 8, stop bits – 1, parity – none. The power supply voltage should be within the 10V–30V range, with a recommended 12V supply. For wiring, follow the color coding: red — VCC, black — GND, green — 485A, yellow — 485B.

Installation requirements
| Encoding | 8-bit binary |
|---|---|
| Data bits | 8 bits |
| Parity bit | None |
| Stop bit | 1 bit |
| Error check | CRC (redundant cyclic code) |
| Baud rate | 9600 bit/s |
Radar Level Sensor FAQs
The working principle of the radar level sensor is that the probe emits radar pulses, and when the pulses encounter the surface of the material, they are reflected back and received by the receiver in the meter. The distance between the transmitter and the surface of the measured medium is proportional to the propagation time of the pulses in between, and the liquid level height is calculated.
Advantages:
Using the principle of microwave reflection, it has strong anti-interference ability
Automatically and continuously monitors the changes in water level without manual operation
No mechanical wear, non-contact measurement, easy maintenance
The measurement process is independent of water quality and is not affected by floating objects such as floating ice
No wave-breaking well is required, and it has no effect on the water flow
Solar power supply
No complex installation process is required, and it will not affect the surrounding environment
Low cost and long life
Disadvantages:
Liquid overflow and liquid foam will interfere with the measurement of the radar level meter
There must be no obstacles in the measurement area
The deviation of the installation angle will affect the accuracy of the measurement results
The specific uses and structures of various radar water level sensors are different, but the basic forms are the same, including: transmitter, transmitting antenna, receiver, receiving antenna, processing part and display. There are also auxiliary equipment such as power supply equipment, data recording equipment, anti-interference equipment, etc.
- Automatic monitoring of river water level and open channel water level
- Reservoir dam front and dam tailwater level monitoring
- Pressure regulating tower (well) water level monitoring
- Automatic tidal level monitoring system, urban water supply, sewage level monitoring system
- Working Principle: The radar level meter measures using electromagnetic waves, while the ultrasonic level meter operates based on sound wave principles.
- Application Scenarios: The radar level meter is suitable for environments with high temperatures, high pressure, vacuum conditions, or high steam levels and requires certain dielectric properties of the medium. The ultrasonic level meter is suitable for atmospheric pressure environments, with the probe unable to withstand high temperatures, typically not exceeding 100°C. Additionally, the temperature and pressure of the medium affect the speed of ultrasonic waves.
- Measurement Range: Some radar level meters on the market offer a range of 0-100 meters, whereas ultrasonic level meters can only meet a range of 0-30 meters.
- Measurement Accuracy: The accuracy of radar level meters is significantly higher than that of ultrasonic level meters, typically reaching millimeter-level precision. The measurement accuracy of ultrasonic level meters may be affected by medium characteristics such as viscosity and density.
- Price: Radar level meters are generally more expensive than ultrasonic level meters.
The radar level sensor has no moving parts, resulting in minimal faults during use. Occasionally, volatile organic substances in the storage tank may crystallize on the horn or antenna of the radar level meter, which can be resolved by regular inspection and cleaning.
For routine maintenance, a PC can be used to remotely monitor the reflected wave curve. If new interference waves appear, the level meter’s false wave recognition function can be utilized to eliminate their impact, ensuring accurate measurement.
Radar water level sensor*1
T-flange mounting bracket
Certificate of conformity, warranty card, wiring manual, etc.
Mounting screws
Please contact us to obtain the manual.
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Telefon/ Whatsapp: +86 13418148929
E-post: contact@veswe.com
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