Plant for producing material plates, having at least one conveying device for conveying an endless plate strand and the material plates through the plant, having at least one cutting device for cutting the endless plate strand to form material plates and having at least one measuring device for measuring the material plates, wherein the at least one measuring device is connected downstream of the at least one cutting device with respect to the conveying path in a conveying direction through the plant, wherein in the measuring device there are at least three detection units (26a, 26b, 26c; 26d, 26e), the respective detection areas (32a, 32b, 32c; 32d, 32e) of which are arranged at a distance from one another in the conveying path of the material plates and with which at least one material plate is detected in the respective detection areas (32a, 32b, 32c; 32d, 32e) while the material plate is guided through the measuring device, and having at least one evaluation device, which is functionally connected to the at least three detection units (26a, 26b, 26c; 26d, 26e) and with which at least one dimension, in particular a length, of the detected at least one material plate can be determined from detection signals of the at least three detection units (26a, 26b, 26c, 26d, 26e), characterized in that the at least three detection units (26a, 26b, 26c; 26d, 26e) are designed such that at least two detection areas are arranged next to one another with respect to the conveying direction and at least two detection areas are arranged one behind the other with respect to the conveying direction and that with these a respective detection signal in the form of an entry signal (44a, 44b, 44c) can be generated upon entry of at least one material plate into the respective detection area (32a, 32b, 32c; 32d, 32e) and/or a respective detection signal in the form of an exit signal (46a, 46b, 46c) can be generated upon exit of the at least one material plate from the respective detection area (32a, 32b, 32c; 32d, 32e), the at least one evaluation device being designed such that it can be used to determine at least one time interval (T(on, b-a), T (on, c-b), T (on, b-off, a)) between at least two detection signals and at least one dimension, in particular a length and/or an orientation and/or an angularity of the at least one material plate can be determined from at least one time interval (T(on, b-a), T (on, c-b), T (on, b-off, a)) between at least two detection signals and at least one further predetermined, predeterminable and/or measurable variable. wherein in the measuring device there are at least three detection units (26a, 26b, 26c; 26d, 26e), the respective detection areas (32a, 32b, 32c; 32d, 32e) of which are arranged at a distance from one another in the conveying path of the material plates and with which at least one material plate is detected in the respective detection areas (32a, 32b, 32c; 32d, 32e) while the material plate is guided through the measuring device, and having at least one evaluation device, which is functionally connected to the at least three detection units (26a, 26b, 26c; 26d, 26e) and with which at least one dimension, in particular a length, of the detected at least one material plate can be determined from detection signals of the at least three detection units (26a, 26b, 26c, 26d, 26e), characterized in that the at least three detection units (26a, 26b, 26c; 26d, 26e) are designed such that at least two detection areas are arranged next to one another with respect to the conveying direction and at least two detection areas are arranged one behind the other with respect to the conveying direction and that with these a respective detection signal in the form of an entry signal (44a, 44b, 44c) can be generated upon entry of at least one material plate into the respective detection area (32a, 32b, 32c; 32d, 32e) and/or a respective detection signal in the form of an exit signal (46a, 46b, 46c) can be generated upon exit of the at least one material plate from the respective detection area (32a, 32b, 32c; 32d, 32e), the at least one evaluation device being designed such that it can be used to determine at least one time interval (T(on, b-a), T (on, c-b), T (on, b-off, a)) between at least two detection signals and at least one dimension, in particular a length and/or an orientation and/or an angularity of the at least one material plate can be determined from at least one time interval (T(on, b-a), T (on, c-b), T (on, b-off, a)) between at least two detection signals and at least one further predetermined, predeterminable and/or measurable variable.