QL-BridgeSentinel BSR-200 – Bridge Health Monitoring Radar for Real-Time Structural Safety Assessment
QL-SlopeGuard™ XR-300 is a high-precision, all-weather slope stability radar designed for real-time landslide and geohazard monitoring. Using advanced SAR and interferometry, it provides 360° coverage and sub-millimeter deformation detection with ultra-low power consumption. Ideal for long-term, unmanned monitoring of slopes, mines, dams, and critical infrastructure.
OVERVIEW
Description
Real-Time Bridge Deformation Radar for Continuous Structural Health Monitoring
The QL-BridgeSentinel™ BSR-200 is a one-dimensional deformation radar system based on high-resolution radar remote sensing imaging and phase interferometry. Using electromagnetic waves as the medium, it performs real-time, dynamic, non-contact measurements of very small deformation on targets such as bridges, high-rise buildings, towers, and tunnels.
The complete system consists of a deformation radar host, display/control terminal, support structure, and power supply module. The display/control terminal connects to the radar host via a wireless network, and each terminal can control a single radar unit to achieve precise one-dimensional deformation measurement of the selected target span or structural element.
Compact, low-power, and field-ready, QL-BridgeSentinel BSR-200 is ideal for bridge load tests, long-term structural health monitoring, and rapid safety assessments with minimal traffic disruption.
Why Choose QL-BridgeSentinel™ BSR-200
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Engineered for unmatched accuracy, reliability, and efficiency in bridge structural monitoring.
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Utilizes non-contact radar technology with ultra-high sensitivity to detect micro-deformations early.
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Provides all-weather, 24/7 performance, ensuring uninterrupted monitoring in harsh conditions.
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Enables instant deployment with no need for targets or structural attachments.
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Supports long-range operation, ideal for large bridges and stand-off monitoring.
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Features built-in edge computing, performing all calculations internally with no external workstation required.
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Delivers a maintenance-free solution suitable for long-term SHM programs and rapid safety inspections.
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Offers a compact, lightweight, low-power design, maximizing portability and minimizing power requirements.
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Provides industry-leading performance with minimal installation effort and exceptional cost-effectiveness.
Features
Key Features
1. Ultra-High Deformation Accuracy
Delivers deformation measurement accuracy better than 0.1 mm, enabling detection of micro-movements for early structural anomaly identification.
2. Millisecond-Level Data Update Rate
Provides a rapid ≥200 Hz update rate, allowing precise real-time monitoring of vibration, frequency response, and dynamic structural behavior.
3. Multi-Point & Multi-Span Monitoring
Can monitor 30 or more points simultaneously, producing highly correlated deformation data across entire bridge spans or structural sections.
4. Non-Contact Measurement (No Targets Required)
Does not require sensors or reflectors on the structure, enabling fast, simple deployment with minimal disruption and reduced cost.
5. User-Friendly Control Interface
The control terminal offers an intuitive interface for viewing real-time displacement data, with automatic data logging for later analysis.
6. All-Weather, 24/7 Operation
Operates reliably in rain, snow, fog, dust, and day/night cycles, making it suitable for continuous long-term monitoring in harsh environments.
7. Long Measurement Range
Supports monitoring distances up to 500 meters, maintaining stable performance and accuracy even at long stand-off distances.
8. Built-In Edge Computing
Performs all calculations internally, including deformation extraction and frequency analysis, eliminating the need for external workstations.
9. Compact, Lightweight & Low Power
The radar is approximately A4-sized, weighs ≤1 kg, and consumes less than 5 W, making it ideal for portable inspections and solar/battery-powered setups.
10. IP66 Rugged Protection
Engineered with IP66 protection for dust and water resistance, ensuring durability and reliability in real-world field conditions.
SPECIFICATIONS
Technical Specifications
| Parameter | Specification |
|---|---|
| Maximum Measurement Distance | ≥ 500 m |
| Deformation Measurement Accuracy | ≤ 0.1 mm |
| Fundamental Frequency Measurement Range | 0 – 25 Hz |
| Fundamental Frequency Measurement Accuracy | ≤ 0.01 Hz |
| Simultaneous Monitoring Points | ≥ 30 |
| Deformation Data Update Rate | ≥ 200 Hz |
| Measurement Type | One-dimensional deformation (non-contact) |
| Data Transmission | Wireless control terminal, automatic data saving |
| Environmental Adaptability | All-weather operation (rain, snow, fog, day/night) |
| Processing Architecture | Edge computing (internal real-time calculations) |
| Main Unit Weight | ≤ 1 kg |
| Main Unit Size | Approx. A4 footprint |
| Main Unit Power Consumption | ≤ 5 W |
| Protection Rating | IP66 |
| Radar Technology | High-resolution radar imaging + phase interferometry |
| Deployment Requirements | No targets required on structure; rapid installation |
| Power Supply Options | External DC power / portable power station |
| Application Scenarios | Bridges, towers, buildings, tunnels, structural load tests |
APPLICATIONS
Applications
The QL-BridgeSentinel™ BSR-200 is engineered for high-precision structural health monitoring and has been successfully deployed on more than 150 bridges for long-term deformation tracking, vibration measurement, and safety assessment. Its non-contact radar technology, long monitoring range, and all-weather performance make it ideal for a wide range of engineering, infrastructure, and geotechnical scenarios
1. Bridge Health Monitoring
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Long-term structural displacement tracking
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Real-time response measurement under traffic loads
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Sagging, deflection, and expansion joint monitoring
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Detection of abnormal vibration and structural behavior
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Monitoring during rehabilitation, strengthening, or retrofitting
2. Load Testing & Acceptance Inspections
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Proof-load testing of new bridges
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Verification of design performance
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High-frequency vibration and mode shape analysis
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Span-by-span movement comparison during controlled loading
3. Safety Assessment After Extreme Events
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Post-earthquake structural integrity checks
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Monitoring after heavy rainfall, flooding, or wind loading
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Rapid inspection after vehicle collision impacts
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Emergency evaluation for suspected damage
4. Monitoring of Large or Critical Structures
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High-rise buildings
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Towers and masts
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Tunnel portals and underground entrances
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Elevated roadways and viaducts
5. Industrial & Transportation Infrastructure
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Rail bridges and overpasses
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Highway flyovers
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Port bridges and coastal structures
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Strategic infrastructure requiring continuous SHM
6. Government, Municipal & Engineering Agency Use
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Transportation departments
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Bridge asset management programs
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Structural engineering firms
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Geotechnical and monitoring service providers
WHAT'S INCLUDED
Included in the System
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QL-BridgeSentinel™ BSR-200 Radar Unit
Compact, lightweight deformation radar designed for high-precision bridge monitoring. -
Display & Control Terminal
Wireless interface for real-time visualization, configuration, and data management. -
Mounting / Support Components
Adjustable mounting hardware for quick field deployment. -
Power Supply Components
Low-power system compatible with external DC, portable battery, or solar setups. -
Communication Cables & Accessories
Required connectors and accessories for setup and data transmission. -
Monitoring & Analysis Software
User-friendly software for real-time displacement display, frequency analysis, and automatic data logging. -
Remote Technical Support
Online guidance for installation, configuration, and operation. -
1-Year Standard Warranty
Optional extended coverage available upon request.














