Echo-Sounder SDE 28D+

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Ideal for hydrographic survey Automatic or manual control Splash proof operation, waterproof transit, heatproof design Universal power supply 5.Excellent price Unique features


Echo-Sounder Kolida SDE 28D+,

The KOLIDA SDE-28S precision hydrographic enchsounder is simply a new category on its own. Surveying on water sites, at any depth is simple and professional with the superb Powernav software that lets you design on site the projected survey, as well as import features straight from your CAD software, and accepts single or double gps setup on the boat, for navigation, SBAS or RTK units. Windows XP embedded platform, 12" color LCD touchscreen display, wide array of I/O ports, configurable for various GPS and sounder interphases, and heat and splash proof stainless steel body are features that add extreme functionality to its well designed configuration. The mainframe can be connected to heave, pitch and compass sensors, output to printer, receive any NMEA-0183 GPS and run your own Windows software on it. The included PoweNav software incorporates a simple graphical data review tool and exports directly as data or DXF for easier project workflow.

Echo-Sounder Kolida SDE 28S 


SDE-28S prepared well for your Marine Survey Project!

Practical Hardware Configuration

Integrated high frequency echo sounder and computer;

Embeded WindowsXP operating system; 1.6Ghz CPU and 1G internal memory;

Support 4G high-speed CF card; USB, RS232 and VGA interface.





Efficiency & Accuracy

Long range measurement to 300m depth with the accuracy of ±1cm±0.1%D (0.1% of depth value).

No matter offshore ocean measurement, river, lake and reservoir, SDE-28S always meets

the requirements of your project.







SDE-28S is compatible with almost all manufacturers' GPS or GNSS receiver.








Depth Measurement Software SDE-28S

Depth measurement values are shown on screen realtime.

12.1inch color LCD appears replay measurment up to 24hours.

PowerNav guides you where you plan to go.






PowerNav(Positioning and Navigation Software)

Power Nav software is a new generation marine Surveying software developed on VC++6.0 platform.

PowerNav can work together with all brands of GPS receiver and other devices.

It is already widely applied in Ocean Depth Survey, waterway survey, ocean exploration and positioning,

pilling, dredging, setting-out and other constructions.






         Excellent Design

Industrial level compact and handy body design; full aluminum housing; 

Withstands less-than-ideal circumstances;

Touch screen and Keyboard input; Total weight only 7.5kg,convinient to carry.