Abstract: A measuring system is disclosed for measuring a physical parameter influencing a sensor element adapted to be connected to a measuring and control unit. The system comprises an information-carrying unit comprising a memory and being adapted to be associated with said measuring and control unit, said information-carrying unit being coordinated with the sensor element by containing stored information regarding the properties of the measuring system and the sensor element during measurements, and said information-carrying unit being supported by a connector for connecting said sensor element with said measuring and control unit.