Device for the production of a binder mixture as well as system for the production of material panels

Device (1) for producing a binding agent mixture (12) in the course of the production of material panels， the binding agent mixture (12) comprising at least one binding agent and a liquid， with at least one storage container (3a， 3b) in which a first premix (10) is supplied from binding agent and liquid and stored temporarily， with at least one pump (4) which， after the storage container (3a， 3b) is arranged and a second premix (11) conveys from the at least one storage container (3a， 3b)， and with a feed device (6)， which is arranged after the pump (4)， for feeding a further liquid (13) to the second premix (11) for producing the binder mixture (12)， characterized in that before and / or after the at least one storage container (3a， 3b) at least one sensor (S1， S2， S3) is arranged to determine the binder content in the first premix (10) and / or second premix (11) and / or the binder mixture (12).