Complete Hydrographic Survey Solution

Our integrated marine survey solution enhances hydrographic surveying and hydrodynamic data collection in challenging environments, from busy ports to remote offshore locations. Powered by the unmanned surface vehicle, complemented by the Multi-Beam Echosounder and ADCP, it delivers high-resolution bathymetric, current, and water quality measurements. Whether operating in saltwater or freshwater environments, our hydrographic systems ensure reliable performance across all conditions.

Designed for quick deployment and easy integration, it reduces manual effort while boosting data accuracy and operational efficiency. With streamlined workflows and automated data processing, users can confidently perform seabed mapping, infrastructure inspection, sediment monitoring, flood risk analysis, and more.

Key Features

GNSS+IMU

Accurate positioning for USV operations.
Accurate Profiling

0.25% ±2 mm/s with 5-beams at 1200/600 kHz.
Integrated Sensors

Combined sonar, temperature, attitude, positioning, and heading.
Comprehensive Software

Optimal filtering, noise point removal, and data processing.

Core Products

01 Apache 4 USV

The APACHE 4 unmanned surface vehicle is optimized for hydrological studies, supporting a range of ADCP and multibeam sonar systems, offering stability, a shallow draft, and high accuracy for current flow and discharge measurements. Compact and easy to deploy, it integrates GNSS and IMU for reliable positioning, enabling precise hydrological data collection and efficient site operations. This makes it an ideal tool for unmanned surface vehicle (USV) applications, enhancing surveying and environmental monitoring.
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02 HQ-400 Echosounder

The CHCNAV HQ-400 is a compact, high-performance multibeam sonar for detailed bathymetric and hydrographic surveys. It combines transducers, temperature, attitude sensors, positioning, and a compass in a lightweight design, making it ideal for river, lake, and reservoir mapping with excellent accuracy and versatility.
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03 RS1200/600 ADCP

The RiverStar (RS) ADCP Series, provides precise water velocity measurements in shallow and deep waters. With a 5-beam setup and 300 kHz depth sensing, it performs well across diverse current conditions. When paired with the CHCNAV APACHE 4 USV, it enhances hydrological surveys, requiring only one boat for efficient fieldwork in remote operation.

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04 User-Friendly Software Ecosystem

EasySail for Android streamlines route planning with real-time data monitoring and easy switching between velocity profiles, satellite maps, sonar maps, video, and more. It supports one-click file transfer for seamless integration.

HydroProfiler for PC processes ADCP data, offering custom page layouts, external echo sounder compatibility, and flexible data transfer via TCP/UDP protocols for efficient hydrological analysis.

CMS for PC is a comprehensive multibeam data acquisition and post-processing software, providing optimal surface filtering to remove noise points quickly and deliver high-quality result maps.