HQ 400

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HQ-400 MultiBeam Echosounder


The HQ-400 Multibeam Sonar System offers integrated functionality for seamless underwater terrain measurement.

  • Integrated Design: Combines small multi-beam sonar, temperature sensor, attitude, positioning, compass, and other core sensors into a compact and integrated system.
  • Calibration-Free Operation: With no installation and calibration required, the HQ-400 Multibeam Sonar System offers convenience and ease of use, especially on small unmanned carrier platforms such as the Apache 3 and Apache 6.

HQ-400 Specifications

  • Sonar:
    • Electrical Position+IMU+Sound Velocity
    • Depth Range: 0.2-150m
    • Survey Mode: Real-time rolling stabilization, etc.
    • Swath Coverage: 130°
    • Resolution (Across x Along): 1.6° x 1.8°
    • Number of Beams: 512
    • Maximum Ping Rate: 60Hz
    • Frequency Range: 400KHz±20KHz
    • Signal Type: CW
    • Pulse Length: 20μs-2ms
    • Sonar Waterproofing: 50m
  • Feature:
    • IMU Mounting Method: Equilateral angle and distance
    • Heading Accuracy (GNSS): 0.1° (2m Antenna Separation), 0.05° (0.02° Optional)
    • IMU Roll / Tilt Accuracy: 0.8cm+1ppm(RTK)/0.6m(SBAS)/1.2m(Single )
    • Position Accuracy: 5cm or 5%
    • Lifting and Sinking Precision: Temperature probe, accuracy ±0.5m/s
    • Surface Sound Velocity: Built-in Sonar
  • Physical:
    • DC Power Supply: 8-36V DC (Type: 24V)
    • AC Adapter: 100-240V AC
    • Average Power Consumption: 25W
    • Data/Control Interface: Gigabit Ethernet
    • Probe Size: 125125130mm
    • Probe Weight: 2.7kg
    • SIU Size: 12512542mm
    • SIU Weight: 0.5kg
    • Working Temperature: -10~60°C
    • Storage Temperature: -20~70°C