The Elen’s on-board computers find application on agricultural tractors and grass mowing machines, motocompressors and other industrial or agricultural vehicles. Designed and developed for the installation on dashboards, they show characteristics which make them suitable for the external operation, the IP65 grade of protection or the internal resination process are some examples. They use microprocessors and configurable or customizable softwares designed in way to fit in the destination system and to meet the functions requirements like speed calculation referring to speed sensors informations and wheels’ diameters. The definition of the parameters to display and of the calculations to perform is planned in agreement with the customer that realizes the vehicle. Colours and logos are customizable. The on-board computers comply with the CE statements.