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4-Channel Inductive Loop Traffic Detector for Flow Detection

The ClairLup-V4F 4-channel flow detection loop detector utilizes a system architecture that combines a high-performance processor with an FPGA (Field-Programmable Gate Array). The core detection algorithm is implemented using pure hardware technology. The flexibility of ARM, combined with the powerful processing capabilities of FPGA, results in a system known for its quick response, high accuracy, strong resistance to interference, and flexible scalability.

The ClairLup-V4F supports comprehensive traffic flow data detection, including flow, occupancy, speed, inter-vehicle spacing, headway time, and the percentage of following vehicles. This system is widely applicable in traffic-related systems, such as traffic flow monitoring, traffic enforcement, and security checkpoints, on urban roads, highways, bridges, tunnels, and various other road segments.

  • Single device supports 4-channel loop inputs.
  • Features an innovative polling + parallel detection mode, balancing efficiency and interference resistance.
  • A fast response time of less than 3ms ensures real time detection and measurement accuracy.
  • Rapidly and intelligently updates the background frequency, continuously tracking changes in environmental parameters.
  • Supports advanced intelligent anti-lock algorithms, ensuring long-term maintenance-free operation.
  • Provides real-time display of passing vehicle waveforms, allowing for a detailed understanding of all vehicle passage details through the loops. This greatly facilitates on-site issue analysis and troubleshooting, making installation and environmental problems instantly apparent.
  • Offers real-time loop fault detection and automatically
  • Overview restores normal operation after the fault is resolved.
  • Supports loop open and short circuit detection, distinguishing loop fault types through fault indicator lights.
  • Flexible I/O output capabilities, with I/O output functions customizable according to user requirements.
  • The core detection unit utilizes pure hardware detection technology, ensuring stable and reliable operation.
  • Temperature Hardened
  • Operating Temperature of -40°C ~ 85°C (-49°F ~ 185°F)
  • 3 Year / Limited Lifetime Warranty
  • Weight: 516g, Length: 118mm, Width: 148mm, Height: 28mm



Additional information

Weight 0.516 kg
Dimensions 11.8 × 14.8 × 2.8 cm