In 2002, Radio Zeeland DMP introduced the SIGMA line. The SIGMA-Line is a complete range of reliable equipment for inland shipping. Unique is the combination of digital technology and an analogue readout. The operation of the units is simple and structured by utilising intuitive pictograms for the different functions. The various SIGMA products are modern in style and design and are easily integrated in the bridge console.

The instruments of the SIGMA-line stands for innovation for a competitive price. This without compromising to the familiar and well known quality of Radio Zeeland DMP.

The SIGMA-line comes in a black colour of the control unit and variations in the colour of the indicator back-lighting are possible as well. All illumination is dimmable.