JWrada®-21 Radar Sensor
JWrada®-21 Radar Sensor – compact, cost-effective 80GHz FMCW radar level sensor with Bluetooth, HART/Modbus, and intelligent echo processing. Ideal for hydrology, water management, and short-range bulk solid measurement.
The JWrada®-20 radar sensor is a compact and economical 80GHz FMCW radar sensor featuring a G3/4 threaded connection and a maximum measuring range of 10 m. It is designed for water level measurement applications such as rivers, lakes, open channels, pumping stations, and wastewater tanks, and is also suitable for short-range liquid and solid level measurement in simple operating conditions.
The radar sensor supports HART/Modbus communication protocols and integrates a Bluetooth 5.0 module. Through the “JW Tools” APP, users can perform wireless commissioning, parameter configuration, and operating status monitoring on site. With cloud connectivity, the device also supports remote commissioning, remote monitoring, and remote upgrades, improving operational and maintenance efficiency.
Equipped with Jiwei’s independently developed intelligent echo learning and adaptive algorithm, the JWrada®-20 radar sensor provides false echo recognition, multi-echo separation, and dynamic target tracking capabilities. It automatically adapts to water surface fluctuations, installation interference, and changing operating conditions, ensuring stable and accurate measurement data output.
As an upgraded alternative to traditional ultrasonic level meters, the JWrada®-20 radar sensor features a compact design, easy installation, low maintenance requirements, and high cost-effectiveness, making it especially suitable for hydrology, water management, and basic level monitoring projects.
The radar sensor emits an 80GHz FMCW (Frequency Modulated Continuous Wave) signal and receives the reflected echo from the material surface. The received signal is mixed to generate an intermediate frequency (IF) signal, which is then processed through FFT analysis to determine the signal travel time. By calculating the distance between the antenna and the material surface based on the speed of light, the transmitter accurately determines the material level.
- Compact design with a G3/4 threaded connection, featuring a small footprint and easy installation.
- Standard HART/Modbus communication with an integrated Bluetooth 5.0 module, enabling wireless commissioning and monitoring via mobile APP.
- Supports cloud connectivity for remote commissioning, monitoring, and firmware upgrades.
- Built-in intelligent echo processing algorithms with false echo recognition, multi-echo separation, and dynamic target tracking capabilities.
- Adopts a nylon plastic housing with lightweight construction and excellent weather resistance.
- An ideal replacement for traditional ultrasonic level meters, suitable for hydrology, water management, and basic level measurement applications.
| Features | Compact and simple design with a G3/4 threaded connection, ideal for level measurement in space-limited installations. | |
| Application | Especially suitable for hydrology, simple liquid level, and short-range bulk solid measurement. | |
| Measurement Parameter | Frequency | 80GHz |
| Measuring Range | 10m | |
| Beam Angle | 13° | |
| Accuracy | ±1mm | |
| Material | Integrated housing and antenna lens | Nylon plastic |
| Installation | G¾ threaded connection with a locking nut | Direct threaded installation |
| Power Supply | Two-wire | 12～30V DC |
| Four-wire | ||
| Signal Output | Two-wire | 4～20mA/HART |
| Four-wire | RS485/Modbus | |
| Bluetooth | Support Bluetooth® v5.4 | |
| Operating Environment | Process Pressure | -1～3 bar |
| Process Temperature | -40℃～80℃ | |
| Ambient Temperature | -40℃～80℃ | |
| Storage Temperature | -40℃～80℃ | |
| Safety Certification | Ingress Protection | IP66/IP68 (0.2 bar) |
| Cable | Cable Entry | L16 connector |
Especially suitable for hydrology and water management applications, while also supporting short-range solid level measurement.
- River water level and open channel monitoring
- Wastewater and sewage treatment
- Reservoir and sluice gate monitoring
- Urban flooding and drainage system warning
