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Hydrophone

Goldcard hydrophone is a high-sensitivity acoustic water leak detector designed specifically for leak detection and real-time monitoring of large-diameter water supply pipelines. By capturing acoustic signals generated by abnormal water flow within the pipeline (such as leaks, pipe bursts, valve malfunctions, etc.) and combining them with data analysis technology, it can integrate with SCADA systems and DMA (District Metered Area) zoning metering systems.

This helps operation and maintenance personnel quickly locate issues, reduce water loss rates, and improve the efficiency of water distribution network management.

Key Advantages

  • Integrates 4G/5G/NB networks for efficient, high-definition lossless audio transmission
  • The detection radius for leaks reaches 1,000 meters
  • Adopts near-field communication (NFC) mode for more convenient interaction and more direct leak detection
  • Enables configurable real-time alarm functions to reduce leak duration
  • Combines devices with artificial intelligence for proactive leak verification, cutting the labor hours spent on leak location
  • Built-in algorithms filter environmental interference (e.g., traffic vibrations) to enhance leak signal characteristics and reduce false positive rates
  • Early warning function: proactively identifies and issues alerts in advance when a leak occurs or is about to become a public incident
  • The supporting platform provides acoustic spectrum analysis, leak probability modeling, and GIS map calibration functions
  • Operates in a combined system with smart meters, remote terminals, pressure gauges, etc., integrated into District Metered Areas (DMA) to organically combine DMA management and noise management for greater outcomes

Mini APP

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Lightweight mobile companion app for hydrophone leak detectors, streamlining on-site management across device installation, status monitoring, data handling, and removal.

Key Functions
  • Device dashboard with status overview (leak/normal alerts via color coding), sorting, and quick search
  • Guided installation: GPS location capture, NFC-based SN entry, and customizable setup details
  • Data management: Retransmission of failed uploads to ensure data integrity
  • Flexible removal: NFC or manual unbinding, with automatic re-binding support for re-deployment

PC Platform

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The PC platform offers centralized monitoring, leak analysis, and AI-assisted location for efficient water network management.

Device Visualization
  • GIS map displays real-time device status (red: leak, yellow: suspected, green: normal, gray: no data). Click a point to check address, SN, and 7-day audio status.
Data Management
  • Filter devices by SN/name/address; support data download, audio playback, spectrum switching, and viewing leak intensity, alarms, and diagnosis records.
AI Leak Location
  • Select two devices, input distance, run AI detection — the system auto-calculates and provides the reference leak position.

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