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M3 Sonar® Portable Hydrographic System

M3 Sonar® PHS

M3 Sonar PHS
Underwater structure inspection.
M3 Sonar PHS
System including sonar transducer, heading / attitude / positioning sensor, pole mount, etc.

The M3 Sonar® PHS is a powerful, affordable, entry level turn-key survey system. M3 Sonar PHS features an incredibly small multibeam sonar head and convenient top-side interface unit including a commercial laptop.

Special rack mounts are not required. M3 Sonar PHS delivers excellent quality data at very low cost of ownership. It is designed for rapid installation, operation and removal using vessels of opportunity.

M3 Sonar PHS
Port and channel inspection.


  • Provides clean, accurate data at low cost
  • Fast, easy setup and take-down
  • Preconfigured survey acquisition and processing software
  • Imaging records and 3D bathymetric datasets in one Sonar Head
  • Compact and integrated INS/GNSS System
  • ZDA/1PPS time synchronization
  • Real-time sound speed measurement at transducer
  • IP56-rated splash-proof Interface Unit
  • Repeatable deployment Pole Mount with safety breakaway
  • IHO compliance to Special Order and 1A

When it comes to a purchasing decision, a low cost of ownership, reliable data, and ease of use are of paramount importance to our customers. There are few comparable hydrographic systems on the market that can match our price and quality while providing the global customer support of our world-class KONGSBERG brand. Customers can also rest easy knowing that little technical expertise is required in installing and using our system. No permanent modifications need to be made to a vessel of opportunity, such as drilling holes in the hull or installing special rack mounts.


  • Engineering inspection of marine structures in ports and harbours
  • Dams and water intake inspections
  • Bridge pier and dock inspections
  • Shallow water surveys
  • Outfalls and pipe inspections
  • Pipeline surveys
  • Dredge monitoring

Related publications (PDF)

Services & Aftermarket Support

24/7 Technical Support

Our 24/7 technical support team is there to help at any time, day or night, wherever your vessel is. We will manage your call from the time it is received to the time the issue is resolved.

The team has direct access to the experts in our product centres, should additional support be required, and for the more complex issues a product specialist will be assigned to you. Our priority is to get the right expertise quickly matched with the issue to provide the answers you need.

Contact us

The following contact information will put you through to our global support team:


We understand the importance of having the right parts, available in the right place, at the right time.

We have streamlined our operations to reduce lead-times and increase spares availability.

Contact us

Our 24/7 technical support team is there to help at any time of day or night wherever your vessel is located. They manage your call from the time it is received to the time the issue is resolved.

Contacting any of these numbers will put you through to our global support team:

Our local representatives will respond to your support requirements 24/7. If you want to know more about how our enhanced service delivery will benefit you, please contact our nearest Office.

Product Training

Ensure that your crew is properly and thoroughly trained. This will reduce operational risk, downtime and maximise return on asset investment.

It also enables you to meet regulatory standards, improve crew safety and retain key personnel. In our state of the art training centres qualified and experienced trainers are able to provide your crew with practical training tailored to suit your products, systems and operational requirements. Our instructors can also train your crew on-board your vessel.

From hands on experience on live products in our training centres, to experiencing real life scenarios in our world class simulators all our courses are designed to focus on efficient and safe operation and maintenance of your Kongsberg Maritime equipment.


  • BRAZIL, Rio de Janeiro
  • CANADA, Halifax
  • CHINA, Shanghai
  • GREECE, Athens - Elliniko
  • MEXICO, Veracruz
  • NORWAY, Horten Bekkajordet
  • NORWAY, Horten Strandpromenaden
  • NORWAY, Kongsberg
  • NORWAY, Trondheim Grilstad
  • NORWAY, Trondheim Seatex
  • POLAND, Szczecin
  • SINGAPORE, Singapore, Jurong East
  • SINGAPORE, Singapore, Tuas
  • SOUTH KOREA, Busan
  • UNITED KINGDOM, Aberdeen
  • UNITED STATES, Houston
  • UNITED STATES, New Orleans

This type of solution is ideal for theoretical training, especially for larger groups. It goes through detailed systems overview including drawings and functionality.

This type of solution is ideal for practical training with focus on maintenance and troubleshooting on actual products. This type of training used together with classroom training can provide a holistic view of complete systems.