Full definition
Continuous dynamic weighing instrument installed beneath the belt that measures real-time mass flow (t/h). Principle: load cells measure material weight over weigh idlers combined with belt speed from a tachometer. Accuracy class 0.5-1% (OIML R 50). Integrated into process control systems for optimization and commercial billing. Brands: Thermo Fisher, Siemens, Schenck Process, Ramsey. Requires periodic calibration with certified test chains to maintain legal-for-trade accuracy.