Dairy acidification detectoris a widely used dairy industry testing instruments, is able to quickly and accurately detect the capacity of 500ML, 250ML and other types of Tetra Pak packaging brick, Tetra pillow package products such as sour, bad package ; samples without the need to open the case, without any pretreatment, non-destructive testing can be avoided by a large number of open packet loss and improve the level of quality control and economic efficiency of enterprises.