HomeProductsWater SensorsRadar Flow Meter for Underground Pipe Monitoring
  • Radar flow meter for underground pipe monitoring
  • Radar and ultrasonic flow meter for wastewater outlets
  • Composite radar flow meter for sewer flow measurement

Radar Flow Meter for Underground Pipe Monitoring

Key Features

  • Composite Flow Measurement Technology: Combines radar level, radar surface velocity, ultrasonic Doppler velocity and pressure level measurement for more reliable flow monitoring in complex water conditions.
  • Designed for Underground Pipe Networks: Suitable for underground drainage pipes, culverts, sewer channels, discharge outlets and non full pipe flow monitoring.
  • Radar Surface Velocity Measurement: Uses 24 GHz radar technology to measure surface velocity without direct contact with water, helping improve reliability in dirty or corrosive environments.
  • High Frequency Radar Level Measurement: Built in 60 GHz radar level sensor provides non contact water level measurement with high precision.
  • Ultrasonic Doppler Velocity Measurement: Integrated ultrasonic Doppler measurement helps capture flow velocity under complex hydraulic conditions.
  • Pressure Water Level Backup Measurement: Built in pressure level sensing provides additional water level data, improving system redundancy and stability.
  • Works in Full Pipe and Partially Filled Conditions: Suitable for dry periods, low water levels, normal flow, surcharged flow and overflow monitoring.
  • Strong Environmental Adaptability: Designed for sediment, floating debris, dirty water, wastewater and fluctuating flow conditions.
  • IP68 Waterproof Housing: The fully sealed structure supports long term installation in humid, submerged and underground environments.
  • RS485 Modbus Communication: Supports RS485 output with Modbus protocol for integration with RTUs, data loggers, telemetry units and IoT monitoring platforms.
  • Compact Underground Installation: Small integrated body makes it easier to install in inspection wells, culverts and narrow pipe network environments.
  • Smart Drainage System Ready: Suitable for municipal smart drainage, flood prevention, sewage discharge monitoring and urban waterlogging management.

Product Description

1. Description

JW-RD-600S-P-F(HJ08) Radar Flow Meter is a composite flow monitoring device designed for underground drainage networks, culverts, sewer pipes, outlets and partially filled channels. It integrates radar level measurement, radar surface velocity measurement, ultrasonic Doppler velocity measurement and pressure level sensing to provide reliable flow data in complex pipe and channel conditions. With IP68 protection, RS485 Modbus communication and compact installation design, it is ideal for smart drainage, urban waterlogging prevention and wastewater discharge monitoring.

2. Product Overview

JW-RD-600S-P-F(HJ08) Radar Flow Meter is a compact composite flow measurement device developed for underground pipe network monitoring. It combines multiple sensing technologies in one housing, including radar water level, radar surface velocity, ultrasonic Doppler flow velocity and pressure water level measurement. This multi sensor design improves the reliability of flow calculation in complex drainage and sewer environments.

Compared with single technology flow meters, this composite radar flow meter can better adapt to changing pipe conditions such as low flow, high flow, backwater, surcharged flow, muddy water, sediment, floating debris and partial blockage. It is especially suitable for municipal drainage networks, underground culverts, sewer outlets, stormwater systems and urban flood monitoring points.

With IP68 protection and RS485 Modbus communication, the device can be connected to RTUs, edge gateways, data loggers, PLC systems and cloud based smart drainage platforms.

Parameter Specification
Product Type Composite radar flow meter
Application Underground pipe network, culvert, sewer, outlet and channel flow monitoring
Measurement Methods Radar level, radar surface velocity, ultrasonic Doppler velocity, pressure level
Working Mode Long term monitoring and low power sleep mode
Power Supply 7–32 VDC
Radar Velocity Frequency 24 GHz
Radar Velocity Power 100 mW
Radar Velocity Angle 10°
Radar Velocity Range 0.03–5 m/s
Radar Velocity Accuracy ±0.01 m/s or ±2% FS
Radar Level Frequency 60 GHz
Radar Level Power 10 mW
Radar Level Range 3 m
Radar Level Accuracy ±2 mm or ±0.05% FS
Radar Beam Angle
Ultrasonic Doppler Frequency 2 MHz
Ultrasonic Velocity Range Approximately ±0.02–5 m/s
Ultrasonic Velocity Resolution 1 mm/s
Pressure Level Range 0–10 m
Pressure Level Accuracy ±1% FS ±2.5 mm
Pressure Level Resolution 1 mm
Minimum Water Level 2 cm
Communication Output RS485 default RS232 optional
Communication Protocol Modbus
Product Size 175 × 157 × 79 mm
Protection Rating IP68
Operating Temperature -35°C to 70°C
Storage Temperature -40°C to 70°C
Product Weight Less than 1 kg

3. Application Scenarios

  • Underground Drainage Network Monitoring: Ideal for underground pipe networks where flow velocity, water level and discharge data are required for drainage operation and maintenance.
  • Sewer Pipe Flow Monitoring: Suitable for sewer pipelines, inspection wells and wastewater channels where the water may contain sediment, floating debris or corrosive contaminants.
  • Culvert and Box Channel Monitoring: Can be installed in culverts, box channels and enclosed drainage structures for long term flow monitoring.
  • Discharge Outlet Monitoring: Supports flow monitoring at stormwater outlets, sewage outlets, industrial drainage outlets and environmental discharge points.
  • Urban Waterlogging Prevention: Provides real time flow and level data for urban flood control, drainage capacity analysis and early warning systems.
  • Non Full Pipe Flow Measurement: Suitable for partially filled pipes where traditional full pipe flow meters are not applicable.

4. Installation and System Integration

The flow meter box is usually installed in a reconstructed rectangular channel section or a standardized measuring section. The system can be configured with a radar water level sensor, ultrasonic transducer channels, control unit, RTU, battery and solar panel. Data can be transmitted to a local control cabinet or remote IoT monitoring platform through RS485 Modbus communication.

This product is especially suitable for small canal sites where traditional installation is difficult or where a compact standardized flow measurement structure is preferred.

FAQ

  • Q

    1. What is a composite radar flow meter used for?

    A

    A composite radar flow meter is used to monitor flow velocity, water level and calculated discharge in underground pipes, sewers, culverts, drainage outlets and partially filled channels.

  • Q

    2. What makes this product different from a standard radar flow meter?

    A

    It combines radar level, radar surface velocity, ultrasonic Doppler velocity and pressure water level measurement in one device, providing more reliable data in complex pipe flow environments.

  • Q

    3. Can this radar flow meter be used in underground drainage networks?

    A

    Yes. It is designed for underground pipe networks, inspection wells, culverts, sewer channels and drainage outlets.

  • Q

    4. Can JW-IoT integrate this flow meter into a smart drainage platform?

    A

    Yes. JW-IoT can integrate the RS485 Modbus radar flow meter with RTUs, wireless gateways and cloud dashboards for smart drainage and waterlogging monitoring projects.

  • Q

    5. Does the product support non contact measurement?

    A

    Yes. It supports radar based non contact water level and surface velocity measurement, which is useful for dirty water, wastewater and corrosive environments.

  • Q

    6. What communication protocol does the device support?

    A

    The device supports RS485 communication with Modbus protocol. RS232 can be configured as an optional output.

  • Q

    7. Is the product suitable for partially filled pipe flow measurement?

    A

    Yes. It is suitable for partially filled pipe flow monitoring, non full pipe conditions and changing drainage flow states.

  • Q

    8. Can JW-IoT provide a complete underground pipe monitoring solution?

    A

    Yes. JW-IoT can provide flow meters, RTUs, power supply systems, wireless communication, installation guidance and cloud based monitoring software.

  • Q

    9. What is the protection rating of this flow meter?

    A

    The device has an IP68 protection rating, making it suitable for humid, underground and submerged installation environments.

  • Q

    10. Can it work in muddy water or wastewater?

    A

    Yes. The composite sensing design improves adaptability in muddy water, wastewater, floating debris and sediment conditions.

  • Q

    11. What is the typical application in urban flood prevention?

    A

    It can be installed in underground drainage pipes and culverts to monitor flow and water level changes, helping support drainage capacity analysis and urban waterlogging early warning.

  • Q

    12. Why choose JW-IoT for smart drainage flow monitoring?

    A

    JW-IoT can support product selection, site installation design, communication configuration, platform integration and project deployment for underground drainage, culvert and wastewater flow monitoring systems.

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