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# SAJ Instrument Ab Ltd

Ship Dynamics, measured with precision

## Sitemaps

- [XML Sitemap](https://www.saj.ax/sitemap.xml): Contains all public & indexable URLs for this website.

## Posts

- [Blog](https://www.saj.ax/blog-2/)
- [4th Ship Navigation and Voyage Optimization](https://www.saj.ax/4th-ship-navigation-and-voyage-optimization/) - Meet Us at the 4th Ship Navigation and Voyage Optimization Conference, October 7–8, 2025We’re proud to announce our participation in the upcoming 4th Ship Navigation and Voyage Optimization event. Join us as we dive into the critical role of accurate hydrodynamic measurements in enabling true real-time optimization for confident energy savings.Our session will explore why
- [Superyacht Technology Show](https://www.saj.ax/superyacht-technology-show/) - Join Us at Booth IN06 at the Superyacht Technology Show in Barcelona!We’re excited to invite you to the Superyacht Technology Show, which will take place in the vibrant city of Barcelona from March 18th to 19th, 2025. Visit us at booth IN06 to discover the latest innovations and solutions tailored to the superyacht industry.Don’t miss the
- [World Maritime Forum](https://www.saj.ax/world-maritime-forum/) - We are participating in the World Maritime Forum in Copenhagen on 18-19 February 2025. We would love to meet with you if you are attending to talk about how we can help you solve your dynamic measuring optimization needs for your operation.
- [Hellenic Maritime Forum 2024](https://www.saj.ax/hellenic-maritime-forum-2024/) - We are proud to exhibit SAJ Instrument’s innovative products and services at the Hellenic Maritime Forum, held from November 19th to 20th, 2024, in Athens, Greece.
- [Hamburg Maritime Forum 2024](https://www.saj.ax/hamburg-maritime-forum-2/) - Proud to be participating in the Hamburg Maritime Forum 16-17th of April in Hamburg at the historic Fischauktionshalle. We will be speaking and showcasing our way of reducing fuel consumption and the unparalleled accuracy of our products. Supporting current and upcoming environmental regulations.
- [Seatrade Cruise Global](https://www.saj.ax/seatrade-cruise-global/)
- [SMM 2024](https://www.saj.ax/smm-2024/) - On 3-6th September 2024, we are proud to show SAJ Instrument’s innovative products and services at Hamburg SMM 2024 Exhibition held at Hamburg Messe and Congress center. You are welcome to stop by our booth at stand 440 in Hall B6. We can show you how your operation can benefit from the holistic solution with
- [Scandinavian Maritime Fair 2024](https://www.saj.ax/scandinavian-maritime-fair-2024/) - We are at the Scandinavian Maritime Fair 14-15 May 2024 In Copenhagen so if you are in the area we would love to meet you at stand 510On Wednesday 15.04 at 13:35-13:50, Master Mariner/Sales Manager Daniel Henriksson will be keeping a presentation on easy-to-use fuel-saving add-on module to the SAJ-DMS dynamic measuring platform.For visitor information
- [Donsö Shipping Meet 2023](https://www.saj.ax/donso-shipping-meet-2023/) - SAJ Instrument participates in DONSO SHIPPING MEET August 28 to 30th, 2023, Its held on the Donsö Island outside Gothenburg. Welcome to see us in Stand D37 in Hall D.We demonstrate the new Fuel saving guidance module on hydrodynamics, adding enhanced benefits from the SAJ-DMS dynamic measuring platform known for its proven accuracy and reliability.
- [Hamburg Maritime Forum](https://www.saj.ax/hamburg-maritime-forum/) - Welcome to visit SAJ Instrument Ab Ltd at the Hamburg Maritime Forum to explore our products for fuel savings through hydrodynamic optimization
- [SMM 2022](https://www.saj.ax/smm-2022/) - Participating in the SMM 2022 exhibition in Hamburg 6-9 September 2022.
- [Donsö Shipping Meet 2022](https://www.saj.ax/donso-shipping-meet-2022/) - Donsö Shipping Meet 2022 in Gothenburg. Come and discuss how the SAJ-DMS System can benefit your secuirty and efficiency.
- [Navigate 2022](https://www.saj.ax/navigate-2022/) - Welcome to Navigate 2022 at the Turku Fair Center on 1 – 2 June 2022. You will find us at Stand B/26.SAJ Instruments Ab Ltd is a market leader in dynamic remote measuring systems. The SAJ-DMS concept is of modern design for all types of vessels and floating constructions. It offers trim, list, hull deflection,
- [Danish Maritime Fair 2022](https://www.saj.ax/danish-maritime-fair/) - We are at the Danish Maritime Fair 26-28. April 2022 In Copenhagen so if you are in the area we would love to meet you at stand 33Free entrance, just click this link for tickets and useful information.
- [WMTC 2022 Copenhagen](https://www.saj.ax/wmtc-2022-copenhagen/) - The 7th World Maritime Technology Conference is held @Tivoli Congress Center in Copenhagen. The program is full of interesting keynotes and industry related sessions and presentations. https://www.wmtc2022.com/full-program The Danish Maritime Fair occurs at the same time. Welcome to SAJ Instrument at stand 33
- [Resilient Lady delivered](https://www.saj.ax/resilient-lady-delivered/) - Virgin Cruises Inc. took delivery of the Resilient Lady today from the Fincantieri shipyard. Resilient Lady is a truly unique ship in many ways and briging a new dimension to the cruise industry.SAJ Instrument is proud to supply the SAJ-DMS dynamic monitoring system which represents a solid foundation of measuring standard which ensures vessel’s dynamic behaviour (trim and
- [Resilient Lady](https://www.saj.ax/resilient-lady/) - Last week we comissioned the SAJ-DMS installation onboard the Resilient Lady that is being completed at the Fincantieri shipyard. Resilient Lady is number three in a series of new Cruise ships being built by Virgin Voyages.Thank you Virgin Voyages for trusting us at SAJ Instrument to provide Resilient Lady and her sister ships with the

## Pages

- [Home](https://www.saj.ax/) - Fuel savings from hydrodynamic conditions From port to port Accuracy guarantees reliability Facts that make energy tracking complete Explore fuel savings The SAJ-DMS measuring system is the marine industry’s most accurate, reliable and proven dynamic remote measuring system. The system is well suited for newbuild projects as well as for retrofit projects. The system can
- [Company](https://www.saj.ax/company/) - Who we are A team that loves to create! SAJ Instrument manufactures and supplies marine solutions focusing on ship dynamic behavior and performance. The company has improved ship operation for over 40 years and has always been at the forefront of technology for measuring ship dynamics.Over the years, SAJ Instrument has developed genuine key expertise
- [Support](https://www.saj.ax/support/) - First Class Support A world-class Dynamic Measuring system needs a World-Class support system so that you know it is kept in the best working condition and provides valuable optimization data. Support We are always here to help and will try to provide our customers with First Class Support. There are several support channels you can
- [Optimal Dynamic Trim - ODT](https://www.saj.ax/odt-optimal-dynamic-trim/) - Unlock Significant Energy Savings with SAJ-DMS & ODT Today’s energy management strategies for vessels primarily focus on monitoring engine performance, optimizing routes, and adapting to weather conditions. However, a crucial yet often overlooked parameter is the vessel’s hydrodynamic condition. When managed accurately, this factor unlocks considerable energy savings. SAJ Instrument has developed a groundbreaking solution—SAJ-ODT,
- [Solutions](https://www.saj.ax/solutions/) - Energy savings from hydrodynamic conditions From port to port Accuracy guarantees reliability Facts that make energy tracking complete Explore energy savings Donsö Shipping Meet 2023 The SAJ-DMS Measuring Platform The SAJ-DMS measuring solution uses one, two or three dynamic sensors – all depending on vessel size and type. Each dynamic sensors is fitted to the
- [Benefits](https://www.saj.ax/benefits/) - Benefits SAJ-DMS® – The No. 1 Dynamic Measurement System for Fuel Efficiency & StabilityMaximize fuel savings, optimize trim, and enhance vessel stability with SAJ-DMS® – the industry-leading dynamic measurement system trusted by shipowners worldwide. Key Benefits of SAJ-DMS® and SAJ-ODT✅ Industry-Leading Accuracy & ReliabilityNo. 1 in dynamic measurements for trim, list, hull-flexing & draftUnmatched precision: Trim
- [Jobs](https://www.saj.ax/jobs/) - Jobs At the moment, we do not have any open positions available. However, we are interested in connecting with talented professionals whose skills and experience within the maritime industry align with SAJ Instrument Ab Ltd’s expertise.If you would like to be considered for future opportunities, please feel free to send us your CV and a
- [test](https://www.saj.ax/test/) - Trusted by Leading Shipping Companies Worldwide
- [Sales Manager/Engineer](https://www.saj.ax/sales-manager-engineer/) - Sales Manager/Engineer SAJ Instrument has been a pioneer in the marine industry for over four decades. Renowned for our dynamic measurement systems, we have consistently delivered unparalleled accuracy and reliability in measuring ships’ floating position, structural impact, trim, and heel. Our equipment is trusted on all types of vessels, including floating constructions, globally. Leveraging our
- [Exhibitions](https://www.saj.ax/exhibitions/) - Exhibition Schedule Coming Exhibitions 4th Ship Navigation and Voyage Optimization 2025-09-182025-09-18 Meet Us at the 4th Ship Navigation and Voyage Optimization Conference, October… Read more >> Previous Exhibitions Superyacht Technology Show 2025-01-272025-03-31 Join Us at Booth IN06 at the Superyacht Technology Show in Barcelona!We’re… Read more >> World Maritime Forum 2024-12-122025-03-03 We are participating in
- [News](https://www.saj.ax/news/) - News 4th Ship Navigation and Voyage Optimization 2025-09-182025-09-18 Meet Us at the 4th Ship Navigation and Voyage Optimization Conference, October… Read more >> Superyacht Technology Show 2025-01-272025-03-31 Join Us at Booth IN06 at the Superyacht Technology Show in Barcelona!We’re… Read more >> World Maritime Forum 2024-12-122025-03-03 We are participating in the World Maritime Forum in
- [Contact](https://www.saj.ax/contact/) - Contact details Location Uppgårdsvägen 2, 22100 MariehamnAland IslandsFINLAND Postal address P.O. Box 176022111 MariehamnAland IslandsFINLAND Mail sales@saj.axsupport@saj.ax Phone +358 18 16100 Location
- [Replacing old draft system](https://www.saj.ax/replacing-old-draft-system/) - Replacing old and failing draft systems Show me Contact Form Looking to replace the failing draft gauge(s) or system? It’s a commonly known problem that draft gauges placed in the forward and aft locations of the hull are found offset or out of order, making them useless. The locations are in the weakest displacement areas,
- [Remote Draft Display](https://www.saj.ax/remote-draft-display/) - Remote Draft Display The SAJ draft indication is truly unique in its accuracy and repeatability. Since the early eighties and refined ever since: No matter the size of the vessel, SAJ uses only one! (1) draft sensor, calibrated against vessels draft scales. The actual draft readings are displayed for 9 pre-defined positions of the hull.
- [Thank you!](https://www.saj.ax/thank-you/) - Full Ahead! Thanks for contacting us! We will be in touch with you shortly.Until we are in touch, please check out our solutions for your measuring needs.You can also check out our pages on social media platforms. Facebook Linkedin Twitter
- [Operations](https://www.saj.ax/operations/) - IMO Mandate for Cyber Security readiness The IMO now requires shipowners and management to integrate cyber security risk into their safety management system (IMO 2021 mandate).We provide the support you need for your operation to be fully IMO compliant. GET MORE INFO We provide solutions for all your ships and operations Works on all ships
- [Measuring Platform](https://www.saj.ax/measuring-platform/) - The SAJ-DMS measuring platform uses one, two or three dynamic sensors – all depending on vessel size and type. Each dynamic sensors is fitted to the solid steel structure at carefully defined positions and individually sensing the deviation from the horizontal plane. Values of trim, list, and hull flex bending/torsion are presented by figures and trends.
- [Trim List Display](https://www.saj.ax/trim-list/) - Trim List Display Having trim and list information at sea have been proven increasingly important as it affects the hull resistance which mirrors the direct bunker consumption. It represents today the comparatively largest daily cost of ship operation. Only by having a measuring device with accurate information about the real-time trim is it possible to
- [Bulk ships](https://www.saj.ax/bulk-ships/) - Bulk ships The hull construction of a bulk ship with large cargo holds and fast cargo handling with conveyors is exposed to heavy forces during cargo handling. Even weight distribution is preferable to avoid damage to the hull. The SAJ-DMS system is a very useful system to fit as it handle all the remote measuring
- [Understanding Trim back in 1972](https://www.saj.ax/understanding-trim-back-in-1972/) - Understanding Trim back in 1972 When we found out how the trim of a ship relates to draft, speed and depth under the keel. The year was 1972. TOR Line had ordered two remarkable passenger ferries. At the time Salen’s owned two thirds of Tor Line and its newbuilding department was set to manage the
- [Yatchs](https://www.saj.ax/yatchs/) - Yatchs Operation with tight time schedule with calls in many harbors and limited water depths, it is necessary to monitor trim, heel and draft. Often missing draft scales makes it difficult to manually determine the draft while the ship is in the same position due to change of trim and heel caused by wind and swell.The SAJ-DMS system gives accurate
- [Tanker ships](https://www.saj.ax/tanker-ships/) - Tanker ships On ships with high priority on safety we can offer control beyond the conventional. With a SAJ-DMS system the tanker operators will be able to see the dynamic behavior of the hull in more detail than what is possible with conventional strain gauges. The ships torsion and deflection can be measured in several
- [Supply ships](https://www.saj.ax/supply-ships/) - Supply ships As for all ships the dynamic information is essential to operating the ship correctly. In addition supply ships also need rugged systems that can function for a long time without service in harsh conditions. The SAJ-DMS system is proven to be the most dependable system available thanks to it’s well protected sensor positions
- [Ro-Ro/Ro-Pax ships](https://www.saj.ax/ro-ro-ro-pax-ships/) - Ro-Ro/Ro-Pax ships On Ro-Ro, Ro-Pax and Ferries it is important to detect how the ships responds to weights to ensure efficient load and departure conditions without adding ballast. Today’s ship design makes it difficult to manually read all draft scales with the ship in the same position due to change of trim, heel caused by
- [Heavy Lift ships](https://www.saj.ax/heavy-lift-ships/) - Heavy Lift ships It is essential during lifting and submerging operations to have highly accurate indication of draft, trim, list, torsion and deflection. As a heavy lift vessel is deflecting significantly simple static measurements will not be able to provide reliable information. Dynamic measurement is required as it considers the deflection and torsion.The SAJ-DMS system
- [General cargo ships](https://www.saj.ax/general-cargo-ships/) - General Cargo ships Cargo handling makes the SAJ-DMS system an important tool for visualizing the hull deflection and displacement changes in real time. The monitoring of the overall bending online makes it possible to compensate with ballast to minimize the shear forces. Keep track of the dynamic trim in port to get the correct departure
- [Floating docks](https://www.saj.ax/floating-docks/) - Floating docks It is essential during lifting and submerging operations to have highly accurate indication of draft, trim, list, torsion and deflection. As a floating dock is deflecting significantly simple static measurements will not be able to provide reliable information. Dynamic measurement is required as it considers the torsion and deflection.The SAJ-DMS system use advanced
- [Cruise ships](https://www.saj.ax/cruise-ships/) - Cruise ships Operation with tight time schedule with calls in many harbors and limited water depths, it is necessary to monitor trim, heel and draft. In port the large length and breadth makes it difficult to manually read all draft scales with the ship in the same position due to change of trim and heel
- [Container ships](https://www.saj.ax/container-ships/) - Container ships Container ships are designed for high speed and fast cargo handling. This makes it important to keep track of the dynamic trim during a sea voyage to minimize the fuel consumption and in port to get the correct load distribution. The monitoring of the global bending online makes it possible to compensate with
- [Real vs. Predicted values](https://www.saj.ax/real-vs-predicted-values/) - Real vs. Predicted values It is often mistaken that a loading or stability calculator show draft, trim and list that is relevant. As it is only a prediction based on many inputs there is a risk that the calculations deviate over time.To make sure deviations do not get out of hand regular comparisons to reality
- [Multi display](https://www.saj.ax/multi-display/) - Multi Display The MD55 – Multi Display will enable the loading crew to monitor vital draft, trim, list, deflection and torsion values during loading. These values are displayed on a large display with values updated on-line from the SAJ-DMS system.The MD55 display unit is a durable remote 55″ multi-display. The large display makes the on-line values
- [Mean Bending Moment](https://www.saj.ax/mean-bending-moment/) - Mean Bending Moment This module, also known as the MBM module, offers presentation of the on-line dynamic Mean Bending Moment with compressive and tensile stress in digital and graphical presentations. The Dynamic Compressive/Tensile stress is shown in kN/m2. Also the system shows a percent of maximum allowed.
- [Calibration App](https://www.saj.ax/calibration-app/) - Calibration App Accuracy The SAJ-DMS system provides highest possible accuracy and reliability. The displayed draft readings of the system readings must comply with the actual hull scales. This requires the system to be properly calibrated against the ship’s hull scales. The slightest movement of the ship during the survey can give inaccurate calibrations. These movements
- [Mobile Display App](https://www.saj.ax/mobile-display-app/) - Mobile Display App The SAJ-DMS Mobile App is a very useful App which presents the real-time remote information of the SAJ-DMS system on a standard mobile device such as a smartphone or tablet. The Mobile App offers enhanced benefits as it can be used at any location onboard where the remote information is required. Particularly
- [DWT Situation](https://www.saj.ax/dwt-situation/) - DWT Situation This module use the SAJ-DMS systems ability to measure the ships displacement and presents the actual situation of the ship’s weights such as cargo and dead weight reserve. Different draft limits can be set and it will keep track of the allowance limits also considering seawater density. Misc weights are set manually. The
- [Hull Flex Monitoring](https://www.saj.ax/hull-flex-monitoring/) - Hull Flex Monitoring SAJ Instrument produces systems that measure dynamic motions in detail, including the hull’s torsion and deflection values. Previously, the only way to measure deflection and torsion was to use strain gauges mounted in several locations on the hull. Depending on the requirements such installations can be extensive. In most cases four strain
- [Hydrostatic Data On-Line](https://www.saj.ax/hydrostatic-data-on-line/) - Hydrostatic Data On-Line By installing the basic SAJ-DMS system you will benefit from the dynamic information measured by its sensors. Hydrostatic information such as current ship displacement is displayed giving the operator clear information about the ships current situation. Because this is measured data it will be possible to detect an abnormal weight change immediately.
- [Cyber Security](https://www.saj.ax/cyber-security/) - In today's world, cyber security attacks can be destructive to onboard computer systems on ships. Cyber security management analyses the risks and risks are mitigated by utilising effective countermeasures.
- [GM Inclining Test](https://www.saj.ax/gm-inclining-test/) - GM Inclining Test GM Inclining/Experiment test offers ease of determining a ship’s stability by moving a user known weight a known distance combining the accurately measured heel and corrected hydrostatics from the SAJ-DMS system. This is the same theory of operation as a standard inclining test but with better measurement and timing device. The module
- [Files](https://www.saj.ax/files/) - Files This is the Files section. Please only use with permission by SAJ Instrument Ab Ltd NameSizeDate Maxine.zip application/zip Maxine.zip Download Copy Link 414.17 KB 2025-08-11 414.17 KB2025-08-11 README.txt text/plain README.txt Open Download Copy Link 139 B 2008-10-17 139 B2008-10-17 2
- [Privacy Policy](https://www.saj.ax/privacy-policy/) - Privacy Policy Effective date: May 22, 2018 SAJ Instrument Ab Ltd (“us”, “we”, or “our”) operates the https://www.saj.ax website (the “Service”). This page informs you of our policies regarding the collection, use, and disclosure of personal data when you use our Service and the choices you have associated with that data. We use your data
- [Cookie Policy](https://www.saj.ax/cookie-policy/) - Cookie Policy This site uses cookies – small text files that are placed on your machine to help the site provide a better user experience. In general, cookies are used to retain user preferences, store information for things like shopping carts, and provide anonymised tracking data to third party applications like Google Analytics. As a
- [Blog](https://www.saj.ax/blog/)

## Categories

- [News](https://www.saj.ax/category/news/)
- [Exhibitions](https://www.saj.ax/category/exhibitions/)
- [FutureExhibitions](https://www.saj.ax/category/futurexhibitions/)