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  • Hi-Target HD-MAX II dual-frequency echo sounder front-facing touchscreen control unit displaying marine survey software interface with external keyboard positioned below the screen
  • Hi-Target HD-MAX II dual-frequency echo sounder system showing front display unit with marine survey interface, external keyboard, and separate transducer sensor mounted beside the control unit
  • Hi-Target HD-MAX II dual-frequency echo sounder display unit shown at an angled front view with marine survey software interface on screen and detachable external keyboard mounted on adjustable bracket
  • Hi-Target HD-MAX II dual-frequency echo sounder control display shown in angled view with touchscreen interface, detachable keyboard, adjustable mounting bracket, and visible rear connection ports on yellow side panel
  • Hi-Target HD-MAX II dual-frequency echo sounder system shown in angled perspective with touchscreen control display, detachable keyboard, and external transducer sensor positioned beside the unit
  • HD-MAX II dual-frequency echo sounder transducer sensor mounted inside black protective housing with vertical stainless steel probe and attached signal cable
  • Hi-Target HD-MAX II dual-frequency echo sounder front-facing touchscreen control unit displaying marine survey software interface with external keyboard positioned below the screen
  • Hi-Target HD-MAX II dual-frequency echo sounder system showing front display unit with marine survey interface, external keyboard, and separate transducer sensor mounted beside the control unit
  • Hi-Target HD-MAX II dual-frequency echo sounder display unit shown at an angled front view with marine survey software interface on screen and detachable external keyboard mounted on adjustable bracket
  • Hi-Target HD-MAX II dual-frequency echo sounder control display shown in angled view with touchscreen interface, detachable keyboard, adjustable mounting bracket, and visible rear connection ports on yellow side panel
  • Hi-Target HD-MAX II dual-frequency echo sounder system shown in angled perspective with touchscreen control display, detachable keyboard, and external transducer sensor positioned beside the unit
  • HD-MAX II dual-frequency echo sounder transducer sensor mounted inside black protective housing with vertical stainless steel probe and attached signal cable

HD-MAX Ⅱ Dual-Frequency Echo Sounder

The HD-MAX II hydrographic solution is an advanced dual-frequency echo sounding system designed for high-precision depth measurement and reliable data acquisition. Engineered for professional hydrographic surveying, it delivers stable performance and accurate results in complex water environments.

Hi-Target surveying and GNSS equipment brand logo in blue and gray on transparent background
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Description

HD MAX II hydrographic solution with dual frequency echo sounder system for high precision depth measurement

HD-MAX Ⅱ
Hydrographic Solution

HD-MAX Ⅱ Hydrographic Solution

The HD-MAX Ⅱ dual-frequency echo sounder sets a new standard for underwater surveying. Its upgraded host unit is water-resistant, portable, and equipped with versatile interfaces. An integrated temperature sensor within the transducer ensures accurate sound velocity calibration, while the fully automated algorithm handles complex terrains effectively. Suitable for various underwater conditions such as dredging, siltation, high sediment areas, and deep water environments, the HD-MAX Ⅱ delivers reliable performance for hydrographic professionals.

Unmatched Accuracy & Efficiency

Compatible with base stations and terminal equipment across different brands, the system supports large-scale concurrent usage, delivering services that meet both engineering and civilian application requirements.

Seamless User Experience

Integrated software simplifies the entire workflow, supported by a bright 15″ display for clear data visualization. Intuitive controls enhance usability, while 128GB + 1TB storage with Windows 10 ensures smooth and efficient data processing.

HD MAX II hydrographic system controller with 15 inch display and integrated survey software interface
HD MAX II hydrographic transducer performing underwater depth measurement in seabed survey conditions

Built for Tough Conditions

The IP66-rated housing ensures reliable protection in harsh environments. Its lightweight and portable design allows easy deployment, while the durable construction supports long-term field use. Multiple connectivity options, including PPS, trigger support, and multi-format data output, enable seamless data integration and sharing.

Detailed Specifications

High Channel: 100kHz ~ 1MHz
Low Channel: 10kHz ~ 50kHz
Frequency
0.15 ~ 300m @200kHz
1 ~ 2000m @24kHz
Depth Range
±0.01m ± 0.1% of depth @200kHz
±0.1m ± 0.1% of depth @24kHz
Accuracy
Standard NMEA 0183, DESO 25, ODOM, Knudsen, Bathy, Echotrac
Output Data Format
128GB + 1TB SSD
Storage
PPS*1, Trigger*1, RJ45*1, RS232*3, USB*3, HDMI*1, Transducer*1, Power*1
Interfaces

Download Brochures

HD-MAX-Ⅱ-Brochure-EN

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