An online checkweighing and rejection system suitable for various packaging types in fully automated production lines.Application: Designed as a redundancy and error-proofing measure for quantitative filling, it verifies product weight online to detect underweight or overweight items, ensuring that product weight stays within factory-specified limits. Optional label inspection can be added to prevent missing or incorrect labeling.
Product Selection Chart

Example: JZ-G030-020-Ex denotes a checkweigher configured for high-speed operation, with a weighing range of 5–30 kg, an accuracy of ±20 g, and applicability in explosion-proof environments.
Main Features
- Re-inspection of the weight of quantitatively packaged products
- The main models by function include: online checkweighing, without label inspection, online checkweighing and label inspection, online checkweighing with label inspection and QR code data binding
- Equipped with a high-definition touch screen for parameter setting and displaying re-inspection status. Cumulative weighing data can be displayed on the screen
- Online weighing: Weigh products online, eliminate unqualified ones, and bind weighing data with label information
- Visual/QR code label inspection: Re-inspect the labels on the barrels, eliminate products with missing labels or severely damaged labels
- QR code recognition: Scan and identify the QR code on the label, and bind product packaging information such as product name, code, packaging weight, and packaging time
- Various communication interfaces are available, supporting multiple industrial standard communication protocols, and enabling data interaction with systems such as DCS, WMS, and ERP
- Explosion-proof configuration available