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How Smart Radar and Gas Sensors Revolutionize Urban Drainage Network Monitoring: A 2026 Case Study

Intro:

Urban drainage networks and black-odor water bodies are a growing challenge for city infrastructure management worldwide. Honde Technology Co., Ltd. has introduced a cutting-edge monitoring system that combines radar flow meters, liquid level sensors, and toxic gas detectors to ensure real-time, accurate, and safe monitoring. This case study demonstrates how the system has improved efficiency, safety, and water quality monitoring in a major city project.

The Challenge: Monitoring Complex Urban Drainage Networks

Urban drainage systems face multiple challenges: fluctuating water levels, rapid flow variations, sediment buildup, and toxic gas accumulation like hydrogen sulfide (H₂S) and methane (CH₄). Traditional manual inspections are costly, hazardous, and often fail to detect problems early. Cities need reliable, automated solutions for real-time monitoring of water flow, level, and safety hazards.

Honde Technology’s Smart Monitoring Solution

Honde Technology’s system integrates several advanced sensors into a cohesive network. Key products include:

Product Model Key Features Application
Radar 3-in-1 Flow Meter RD-600S-02 Non-contact radar for flow, velocity, and level; anti-corrosion coating; IP68 protection Black-odor water bodies, urban drainage
Radar Level Sensor RD-RWL30-7-02 80GHz high-frequency radar, anti-interference, bubble-level for easy installation Underground pipe networks
Ultrasonic Level Sensor RD-UWLH3-01 Bell-mouth design, 3m measurement range, ±1% accuracy Stormwater and small sewer pipes
Radar Flow Sensor RD-200-01 High-precision velocity measurement, dual-direction recognition, IP68 Open channels, urban drainage
Dual-Probe Toxic Gas Sensor RD-EPGD-01 Detects H₂S/CH₄, industrial-grade explosion-proof, real-time alerts Safety in manholes and pipelines

Real-World Deployment: Case Study Highlights

In a recent deployment across a mid-sized city’s drainage network, multiple RD-600S-02 radar flow meters were installed in high-risk sewer lines. Simultaneously, RD-EPGD-01 dual-probe gas sensors were deployed in locations with potential methane accumulation.

Key outcomes:

1
Improved Accuracy and Data Reliability
The hybrid radar technology minimized interference from floating debris and sediment, maintaining ±0.01 m/s flow accuracy.
2
Enhanced Safety for Field Operators
Toxic gas sensors provided real-time H₂S and methane alerts, preventing accidents during maintenance inspections.
3
Reduced Operational Costs
Automated data logging and mobile Bluetooth calibration reduced the need for frequent manual inspections, saving approximately 30% in annual labor costs.
4
Data-Driven Decision Making
All sensors transmit data via RS485/RS232 or 4–20 mA outputs to the central monitoring system, enabling predictive maintenance and early interventions.

Why Cities Should Adopt Integrated Monitoring

Integrated systems like Honde Technology’s provide:

Real-Time Visibility: Immediate alerts on water level changes, flow spikes, and gas hazards.
Long-Term Durability: Anti-corrosion coatings and IP68/IP65-rated housings ensure longevity in harsh underground environments.
Easy Installation & Maintenance: Bubble-level calibration and non-contact radar simplify setup and reduce downtime.

Next Steps: Request Your Custom Quote

Cities and infrastructure managers looking to upgrade their drainage monitoring systems can now download the full product specification sheet or get a custom project quote. Early adoption ensures safer, smarter, and more cost-efficient water management.

Contact Honde Technology Co., Ltd.
WhatsApp: +86-15210548582
Email: info@hondetech.com
Company website: www.hondetechco.com

Post time: May-12-2026