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LoRaWAN Surface Velocity Sensor
SKU#
WSLRW-SVS
Replaced by
Replaced SKU
The LoRaWAN Surface Velocity Sensor WSLRW-SVS is an advanced solution for monitoring surface water flow, utilizing 24GHz Doppler radar technology to accurately measure bidirectional surface velocity in rivers, canals, and streams. It supports a wide measurement range from 0.1 to 20 m/s with exceptional accuracy of ±0.01 m/s, providing precise and real-time insights into surface flow dynamics. Designed for continuous, high-frequency monitoring, the sensor integrates a 5W solar panel and an internal rechargeable battery (user-installed), enabling autonomous and energy-efficient operation in remote or outdoor environments. Wireless data transmission is enabled via LoRaWAN with global frequency band compatibility, allowing seamless deployment and integration into existing IoT or telemetry infrastructures. The external antenna ensures stable, long-range communication, making the WSLRW-SVS ideal for applications such as flood early warning systems, hydrological monitoring, and water resource management. With its high precision, low power consumption, and robust LoRaWAN connectivity, this sensor delivers a reliable and modern solution for bidirectional surface velocity measurement.
For Applications
Flood Monitoring, River Flow Monitoring
Reliable Measurement
Utilize 24GHz doppler radar technology to get reliable measurement
Global LoRaWAN
Support all frequency bands for Global use
Fully Autonomous
Equipped with Solar panel and Rechargeable Battery
IP67
Durable working in harsh environment
| Sensor Technology | Doppler 24GHz Radar Technology |
| Measurement range | 0.1 - 20 m/s at max distance 30m, bidirectional |
| Resolution | 0.01m/s |
| Accuracy | +/- 0.01m/s |
| Sensor sampling rate | configurable from 1 min up to 60 min |
| Alarm setting | setting the alarm threshold for calculated value |
| COMMUNICATION | |
| SF factors | SF7∼SF12 |
| Antenna | External Antenna 2.0dbi |
| Battery | 6xRechargeable Battery Li-ion 18650, batteries not included |
| Solar Panel | included 5W solar panel |
| RF Frequency and Power | 860∼930MHz, 14∼20dBm, configurable for zones: EU868, IN865, RU864, KR920, AS923, AU915, US915 |
| Protocol | LoRaWAN® Class A |
| Data sending modes | Interval time and when alarm occurred |
| Configuration | via downlink or offline cable (software is free) |
| Working temperature | -20∼70℃ (battery cannot be charged in < 0℃) |
| Dimensions | H87xW107xD40, not included solar panel and antenna |
| Net-weight | <1000g |
| Housing | Aluminum & POM plastic, IP67 |
Dimension

WSLRW-SVS- Daviteq LoRaWAN surface velocity sensor - H06.jpg

WSLRW-SVS- Daviteq LoRaWAN surface velocity sensor - H06.jpg
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Application Notes
test
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