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The integrated electromagnetic flow velocity sensor combines an electromagnetic flowmeter and a radar level meter into a single unit. It can be directly installed inside drainage pipes to measure instantaneous flow velocity, instantaneous flow rate, cumulative flow, water level, and other parameters of stormwater and sewage in real time. The product allows setting flow velocity models tailored to different site conditions, enabling accurate calculation of flow velocity and volume within the pipes. Additionally, it features an IP68 protection rating, resistance to salt spray corrosion, and flood immersion durability, making it suitable for various harsh operating environments.
The flow velocity is measured using the reflection characteristics of radar signals. The instrument emits pulsed radio waves and receives signals reflected by particles within the fluid, such as bubbles and suspended solids. According to the Doppler effect, when particles move in the same direction as the fluid flow, the frequency of the reflected signal increases; when particles move in the opposite direction, the frequency decreases. By measuring these frequency shifts, the radar flow velocity meter calculates the fluid’s velocity.
| Modelo de producto | BWATER-3200（Integrated radio wave velocimeter） | BWATER-3000（Radio wave velocimeter） |
| Measurement parameters | Water level, flow rate, flow | velocity of flow |
| Rango de medición de la velocidad | 0.1m/s~5m/s | 0.1m/s~5m/s |
| Velocity measurement and resolution | 1mm/s | 1mm/s |
| speed measurement accuracy | ±1%FS | ±1%FS |
| Alcance | （0.2~10）m | （0.1~5）m |
| Ranging resolution | 1 mm | / |
| Precisión de alcance | ±5mm | / |
| Flow velocity direction | Automatic detection and identification of the direction of water flow | Automatic detection and identification of the direction of water flow |
| Pitch compensation | 30°~60° automatic recognition and compensation | 30°~60° automatic recognition and compensation |
| Horizontal angle compensation | ± Manually enter compensation within 15° | ± Manually enter compensation within 15° |
| Average flow rate over time | It can be set within 30s~300s | It can be set within 30s~300s |
| Overcurrent area model | Standard round pipe overflow area model Custom overflow area model | / |
| interface | 1 channel RS485 | 1channelRS485，1channel (4~20)mAinput |
| Protocolo de comunicación | MODBUS-RTU protocol | MODBUS-RTU protocol |
| Alimentación | （7~30）VDC | （7~30）VDC |
| Average power consumption | ＜1W | ≤0.5W |
| Temperatura de funcionamiento | -25℃~65℃ | -25℃~65℃ |
| Nivel de protección | IP68, resistant to salt spray corrosion | IP68, resistant to salt spray corrosion |
| Material | Aluminum alloy spray molding shell, PTFE radome shell | Aluminum alloy spray molding shell, PTFE radome shell |
| Dimensiones | （165*96*93）mm | （96*96*32）mm |
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