Maritime instrumentation

The signalling / infrastructure sector is served with systems that ensure factors as full signal integrity, automatic train protection, energy distribution and control. For many years, our Panel Indicators have been a reliable component in different systems.

Due to decline in demand and increasing production and distribution costs, we will discontinue this product line as of December 31, 2025.

We will continue to accept orders until December 31, 2024.

Please note that this decision does not impact our other products for industry and railway, which will continue to be available to you as usual. We apologise for any inconvenience this may cause. Should you have any questions or require further information, please do not hesitate to contact us.


Company NIF (Netherlands Instrumentation Factory) later became Nieaf-Smitt started in 1900 as one of the first companies in the world with design and manufacturing of instrumentation.

Nieaf-Smitt maritime instruments are designed, engineered and manufactured for bridge, bridge-wing and control/rudder room applications on board of ships. Prime applications such as propulsion, steering and navigation are covered with a wide range of dedicated products.

All are made to the strictest prevailing standards and carry type approval and MED certification (Marine Equipment Directive) for applications such as speed, RPM, rudder angle, pitch and rate of turn.

Seagoing merchant vessels, cruise & ferry lines, naval ships, special work boats, inland shipping and tugs or dredging vessels all are served with specialized instrumentation. Most units are tailored to specific client requirements.

  • Control units & accessories

    Control units & accessories

    From a rudder angle transmitter to a complete measuring network offering calibration and illumination power supply to Nieaf-Smitt's panel indicators.
  • Maritime specials

    Maritime specials

    Maritime panel indicators designed and built to customer specifications.
  • Navy products

    Navy products

    For heavy-duty applications like marine/submarine ships we produce a series of shockproof instruments. Maximum 100 G shockproof instruments for specific maritime applications. Maximum 30 G shockproof instruments according to STANAG 1008 (NATO). These instruments are designed according to request for the Royal Dutch Navy. New: Submarine x-rudder instrument. Four pointers in 1 instrument provide rudder angle information of all rudders. Besides the input and scale printing we can design and…
  • Panel indicators

    Panel indicators

    Nieaf-Smitt produces analogue indicators for maritime applications. Keyword for our production and R&D is flexibility. All instruments are produced on customer request and built on order. We primarily produce navigation instruments for bridge, bridge wing and control room installation. For example for speed, RPM, rate of turn, and pitch. Especially rudder indication is a very important application. Coming from traditional electromechanical technology, the latest developments in maritime instrumentation are based…
  • RAI, Rudder Angle Indication system

    RAI, Rudder Angle Indication system

    The Nieaf-Smitt rudder angle indication system is characterized by a diversity of indicators, in size, scales, and protection grades. The 3-face panoramic indicator and outdoor indicators according to Panama Canal regulations. The system is completed by a signal calibration box and rudder angle transmitter, offering seamless adjustment to the ship, for up to 10 indicators.
  • Waterproof housings

    Waterproof housings

    Nieaf-Smitt produces waterproof housings for all D3v series panel indicators all with protection class IP66.