Quality control when filling container with filling product

An apparatus and method for filling containers with a filling product, preferably for use in a beverage filling system, wherein the apparatus comprises: a product can for providing a filling product,wherein a headspace having a gaseous environment is positioned above the filling product in the product can; at least one filling member having a filling valve fluidly connected to the product tank for introducing the filling product from the product tank into the container to be filled and a gas channel for treating the container to be filled with a gas and/or for discharging the gas from the container; a measuring device for analyzing the gaseous environment in the headspace of the product tank; and a control device, which is communicatively coupled to the measuring device, and which is designed to determine the process performance, preferably to determine the quality of the filled product, by analyzing the gaseous environment in the headspace of the product tank. 一种用于用填充产品填充容器的设备和方法，该设备和方法优选地用在饮料填充系统中，其中，该设备包括：