The sachet Checkweigher for food processing replaces manual checkweighing and realizes high-precision and high-speed checkweighing. Unqualified products will be automatically alarmed and removed, which improves the working efficiency of the automated production line. The automatic checkweighing system is the core equipment of the automated production line. It is a high-tech new product integrating conveying, weighing, metering and control. The whole machine is made of 304 stainless steel and is particularly suitable for online detection of food production and packaging.