HD-MAX Ⅱ Dual-Frequency Echo Sounder

The HD-MAX Ⅱ Dual-Frequency Echo Sounder is a next-generation hydrographic survey system engineered to meet the demanding requirements of professional maritime, inland waterway, and bathymetric survey operations. Utilizing both high and low frequency channels, it provides accurate and detailed depth profiling across varying water depths and bottom conditions.

Featuring dual-frequency operation (typically 200 kHz and 33/50/83 kHz), the HD-MAX Ⅱ enables simultaneous detection of both soft and hard seabed layers, making it ideal for sediment analysis and underwater terrain mapping. Real-time digital signal processing ensures clear bottom tracking and fast, stable readings in dynamic environments.

The unit supports NMEA data output and integrates easily with GNSS positioning systems and hydrographic software, offering flexible connectivity for a wide range of survey applications. Its compact, rugged design is suitable for use on small survey boats, vessels, or remote platforms, with intuitive controls and a user-friendly interface that streamlines operation in the field.

Whether you’re conducting harbor maintenance surveys, environmental assessments, or inland water mapping, the HD-MAX Ⅱ delivers consistent performance, high-resolution data, and the reliability professionals depend on.

Key Features:

• Dual-frequency operation for accurate bottom profiling (high and low frequencies)

• Real-time digital signal processing for stable and precise depth readings

• Seamless integration with GNSS receivers and hydrographic software

• Supports standard NMEA 0183/2000 data output

• Compact, rugged design ideal for field deployments

• User-friendly interface with intuitive controls

• Suitable for both deep and shallow water operations

Ideal For:

• Hydrographic and bathymetric surveys

• Inland waterways and harbor mapping

• Sediment and seabed classification

• Dredging and marine construction support

• Environmental monitoring and research

HD-MAX Ⅱ Dual-Frequency Echo Sounder — Precision you can trust below the surface.