Extractieve sector

Quarries / sand pits

Most quarries use static or dynamic weighing systems to manage the quality of the products they produce and to measure the quantity of material or finished products they deliver to their customers.

PRECIA-MOLEN, as a long established manufacturer of weighbridges, has utilised its wealth of knowledge of the aggregates industry to constantly develop and expand its range of weighing products to include integrating belt scales, on-board weighing systems, volumetric hatches, weighing conveyors and associated management and control software programs.



  • Management of the shipping of materials to customers
  • Production management: determination of circulating load, regulation of supply to crushers and screens
  • Stock management: quantification of tons picked from stock measurement, by quality, tonnage put in stock
  • Loading for internal use, trucks, wagons or barges
  • Loading for commercial operations, trucks, wagons or barges
  • Evacuation of filler
  • Overload checks
  • Gravimetric blending and volumetric blending
  • Qualitative analysis of production: finished products and products in the production process



  • Fixed or site weighbridge / truck input/output management software / driver terminal / acces control / barrier / two-colour indicators / solar power supply


  • Throughput controller with trend indicator / fine accuracy multi-line scale between primary and secondary crushers / production control software

  • Single-station scale on conveyor belt or stock stacker / single station scale on stockpile collection conveyor / production control software


  • Loading gate, under-bin loading bridge / pre-loading bin with load cells / single station scale for pre-loading before weighing with the weighbridge


  • Loading bridge under bin with weighing unit / buffer bin on load cells with weighing unit / multi-station scale on conveyor belt / independent weighing conveyor belt: no need to use the weighbridge


  • Measuring system for the filler silo via 3 for 4 compression sensors, with uninterruptible silo supply during pre-loading phase


  • Hydraulique pressure transducers fitted on bucket loader / pneumatic pressure transducer fitted on trucks / single station integrating scale on loading belt / weighing extractor under buffer bin


  • Dosing gate / belt volume extractor / belt weighing extractor / control, automation and recomposition software


  • Highly accurate low capacity laboratory scale / printer