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Ramoton Water Flow Velocity Meter Measurement for DJI Matrice 4 Drone
DJI drone Water Flow Measurement Payload integrates water surface flow velocity measurement, reference water level measurement, and professional flow-measurement software into one solution. It enables rapid acquisition of critical hydrological data during flight—upgrading operations from “seeing” to measuring with precision. Whether for fast assessment in emergency flood response or for routine water conservancy inspections and river management, it supports lightweight, rapid deployment and ready-to-use operation, and is stably compatible with platforms such as DJI Matrice 4T and DJI Matrice 30, providing water authorities with more efficient and reliable on-site decision support.
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Description
I. Core Product Highlights
Lightweight Design & Rapid Deployment
Optimized for small UAV platforms, the system features an ultra-lightweight build . A single operator can deploy it within 2 minutes, significantly improving response speed for flood-season reconnaissance and emergency monitoring.
High-Accuracy Sensing System
Integrating a radar ranging module and a radar velocity sensor, it displays water-flow data in real time with fast feedback and a high refresh rate.
Work with DJI Pilot All-in-One Software
Supports the complete workflow—from mission/route planning and real-time flow measurement to data processing and discharge (flow rate) calculation—operated entirely via the remote controller.
Intelligent Data Management
Enables cloud synchronization of measurement data, provides visual charts, and includes a built-in expert knowledge base and multiple discharge calculation methods (e.g., the area–velocity method and international standard methods).
III. Key Functions & Applications
Real-Time Surface Velocity Monitoring
Using a 24 GHz velocity radar, it performs non-contact, high-precision measurement of river surface velocity.
Water Level Conversion & Discharge Calculation
Combined with an 80 GHz high-accuracy ranging radar, it converts water level in real time and calculates instantaneous discharge.
Intelligent Operation Modes
Supports both manual flight measurements and automated route planning, with reliability features such as resume-flight after power loss and waypoint re-measurement.
Data Analysis & Export
Measurement results can be saved as tables on the remote controller and exported to the cloud for further hydrological data management.
| Item | Specification |
|---|---|
| General Specifications | |
| Compatible with drone | DJI Matrice 4 / DJI Matrice 30 (different versions) |
| Dimensions (mm) | 205 × 129 × 80 (for DJI M4 drone ) ; 205 × 152 × 83 /(for DJI M30 drone ) |
| Total Weight (g) | ≤180 g (for DJI M4 drone ) ; ≤250 g (for DJI M30 drone) |
| Communication Interface | DJII PSDK |
| Software Functions | Flow velocity measurement; water level conversion; discharge (flow rate) calculation; intelligent flight route; waypoint re-measurement; resume flight after power loss; data export |
| Ingress Protection | IP55 |
| Operating Temperature | -20°C to +50°C |
| Velocity Radar Specifications | |
| Operating Frequency | 24 GHz |
| Velocity Measurement Range | 0.1–20 m/s |
| Velocity Accuracy | ±0.01 m/s (velocity < 1 m/s); ≤±1% F.S (velocity ≥ 1 m/s) |
| Measurement Range | 0–45 m |
| Recommended Height Above Water | 1–10 m |
| Velocity Resolution | 0.01 m/s |
| Ranging Radar Specifications | |
| Operating Frequency | 80 GHz |
| Measurement Range | 0.18–30 m |
| Ranging Accuracy | ±2 mm |
| Weight | 0.3 kg |
|---|---|
| Dimensions | 23 × 23 × 23 cm |
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