Procedure for the production of a customer-specific sensor, based on a standard sensor with the aid of a sensor development package, wherein the standard sensor has at least a sensor element for measuring a process variable, a first computing unit, which is designed to use a standard algorithm to calculate a standard measured value on the basis of the measured process variable, and a standard interface designed to display standard measured values, wherein the sensor development package at least comprises the standard sensor and an adaptation unit, wherein the adaptation unit has at least a first interface corresponding to the standard interface, wherein said first interface is designed to transmit the standard measured value, a second computing unit, which is designed to use an adaptable adaptation algorithm to calculate measured values, adapted in a manner specific to the customer, on the basis of the standard measured values, and a customizable interface which is designed to display the measured values specifically adapted to the customer, and wherein the procedure for the production of the customer-specific sensor comprises at least the following steps: - Adaptation of the adaptation unit to an application desired by the customer in such a way that at least the adaptation algorithm and/or the customizable interface of the adaptation unit is adapted to the application desired by the customer; - Introduction of the sensor development package into the application desired by the customer so that the customer can test the sensor development package in the application; - Testing by the customer of the sensor development package introduced into the desired application in such a way that customer checks the sensor development package in the desired application with regard to a technical specification specified by the customer; - Fabrication of the customer-specific sensor in the event that the sensor development package meets the customer's technical specification, wherein the customer-specific sensor is made in such a way that the customer-specific sensor comprises at least a computing unit with a customer-specific algorithm, which, in terms of function, corresponds to the combination of the standard algorithm of the standard sensor and the adaptation algorithm of the adaptation unit, and a customer-specific interface which corresponds to the interface of the adaptation unit adapted for the desired application of the customer, in such a way that the sensor produced in a customized manner outputs the customer-specific measured values via the customer-specific interface. - Adaptation of the adaptation unit to an application desired by the customer in such a way that at least the adaptation algorithm and/or the customizable interface of the adaptation unit is adapted to the application desired by the customer; - Introduction of the sensor development package into the application desired by the customer so that the customer can test the sensor development package in the application; - Testing by the customer of the sensor development package introduced into the desired application in such a way that customer checks the sensor development package in the desired application with regard to a technical specification specified by the customer; - Fabrication of the customer-specific sensor in the event that the sensor development package meets the customer's technical specification, wherein the customer-specific sensor is made in such a way that the customer-specific sensor comprises at least a computing unit with a customer-specific algorithm, which, in terms of function, corresponds to the combination of the standard algorithm of the standard sensor and the adaptation algorithm of the adaptation unit, and a customer-specific interface which corresponds to the interface of the adaptation unit adapted for the desired application of the customer, in such a way that the sensor produced in a customized manner outputs the customer-specific measured values via the customer-specific interface.