Installation for an industrial plant for production and/or processing metallic materials (5, 6), the installation and/or the industrial plant being configured to apply a tool for production and/or processing metallic materials (5, 6) in the industrial plant, the installation comprising a controller for performing a control of the tool in at least one of production or processing of metallic materials (5, 6) one after the other, and a device for use in the at least one of production or processing of the metallic materials (5, 6), the device comprising a measuring bridge in which a first resistor and a first coil are connected in series and in which a second resistor and a second coil are connected in series, wherein the first coil has a core material which is used as a reference material and wherein the second coil is configured such that into the coil can be set one after the other the metallic material (5, 6) as a core material the properties of which are to be examined, an instrumental amplifier having a first input, which is connected to the connection of the first resistor and the first coil, and a second input, which is connected to the connection of the second resistor and the second coil, and an evaluating device for evaluating, when the metallic material (5, 6) as the core material the properties of which are to be examined is set in the second coil, the difference (ΔU) between a voltage (Uv) input to the measuring bridge and a voltage (Uo) output from the instrumental amplifier and for outputting the result to the controller for adapting the control of the tool performed by the controller, wherein the controller is configured to adapt the control of the tool by choosing, on the basis of the result outputted by the evaluating device, at least one parameter and/or set value used in the control of the tool in processing the metallic material (5, 6) the properties of which were examined by the device, and/or wherein the controller is configured to adapt, on the basis of the result outputted by the evaluating device, the configuration of the tool in the at least one of production or processing of the metallic material (5, 6) the properties of which were examined by the device. a controller for performing a control of the tool in at least one of production or processing of metallic materials (5, 6) one after the other, and a device for use in the at least one of production or processing of the metallic materials (5, 6), the device comprising a measuring bridge in which a first resistor and a first coil are connected in series and in which a second resistor and a second coil are connected in series, wherein the first coil has a core material which is used as a reference material and wherein the second coil is configured such that into the coil can be set one after the other the metallic material (5, 6) as a core material the properties of which are to be examined, an instrumental amplifier having a first input, which is connected to the connection of the first resistor and the first coil, and a second input, which is connected to the connection of the second resistor and the second coil, and an evaluating device for evaluating, when the metallic material (5, 6) as the core material the properties of which are to be examined is set in the second coil, the difference (ΔU) between a voltage (Uv) input to the measuring bridge and a voltage (Uo) output from the instrumental amplifier and for outputting the result to the controller for adapting the control of the tool performed by the controller, wherein the controller is configured to adapt the control of the tool by choosing, on the basis of the result outputted by the evaluating device, at least one parameter and/or set value used in the control of the tool in processing the metallic material (5, 6) the properties of which were examined by the device, and/or wherein the controller is configured to adapt, on the basis of the result outputted by the evaluating device, the configuration of the tool in the at least one of production or processing of the metallic material (5, 6) the properties of which were examined by the device.