Method for evaluating the performance of a dynamic weighing instrument, said dynamic weighing instrument comprising conveyor means for conveying an object to be weighed and weighing means for weighing the object while being conveyed by said conveyor means, said weighing instrument being operable in one of a plurality of operating states, each operating state being determined by parameter values of at least one operating state parameter, said weighing instrument being adapted to output a weighing value as the result of a weighing operation in a given operating state, characterized in that the method comprises the following steps: - selecting a plurality of M evaluation states E k, k=1,..., M, M ≥ 2, from the set of operating states and a number N k of weighing operations to be carried out in the respective evaluation state E k, - executing a performance evaluation routine, wherein said routine comprises, for each of the plurality of evaluation states E k, k=1,..., M, carrying out the following evaluation routine steps: o operating the weighing instrument in the evaluation state E k determined by the corresponding parameter values of the at least one operating state parameter, o carrying out N k weighing operations in said evaluation state E k thereby obtaining N k weighing values as the output of the dynamic weighing instrument, o using the N k weighing values as an input to derive a performance value for the evaluation state E k, o storing performance data comprising the performance value and meta data comprising data associated with the evaluation state E k in a data base, said meta data comprising the parameter values of the at least one operating state parameter which determine the operating state E k. - selecting a plurality of M evaluation states E k, k=1,..., M, M ≥ 2, from the set of operating states and a number N k of weighing operations to be carried out in the respective evaluation state E k, - executing a performance evaluation routine, wherein said routine comprises, for each of the plurality of evaluation states E k, k=1,..., M, carrying out the following evaluation routine steps: o operating the weighing instrument in the evaluation state E k determined by the corresponding parameter values of the at least one operating state parameter, o carrying out N k weighing operations in said evaluation state E k thereby obtaining N k weighing values as the output of the dynamic weighing instrument, o using the N k weighing values as an input to derive a performance value for the evaluation state E k, o storing performance data comprising the performance value and meta data comprising data associated with the evaluation state E k in a data base, said meta data comprising the parameter values of the at least one operating state parameter which determine the operating state E k. o operating the weighing instrument in the evaluation state E k determined by the corresponding parameter values of the at least one operating state parameter, o carrying out N k weighing operations in said evaluation state E k thereby obtaining N k weighing values as the output of the dynamic weighing instrument, o using the N k weighing values as an input to derive a performance value for the evaluation state E k, o storing performance data comprising the performance value and meta data comprising data associated with the evaluation state E k in a data base, said meta data comprising the parameter values of the at least one operating state parameter which determine the operating state E k.