Measuring the mass flow of recycled paper

This system has no moving parts and measures the bulk flow contact-free and non-intrusive. Installations are possible on all conveyor types, e.g. belt conveyors, drag chain conveyors, bucket conveyors or screw conveyors. The measurement is highly accurate and repeatable, so that there is no need for recalibrations.

Customer benefits

  • Online, real-time process information
  • Optimised boiler operation
  • Ideal balancing of boiler feedstock 


  • Non-contacting measurement, irradiating the wood chips by means of gamma radiation
  • High repeatability, no need for frequent recalibrations
  • Maintenance-free 
  • Virtually no operating costs 


DuoSeries LB 472 Bulk Flow Measurement Product brochure

PDF | 2.3 MB

Brochure Industry Pulp & Paper Industry brochure

Englisch | PDF | 2.1 MB

Berthold's Measurement Solutions

DuoSeries LB 472

The LB 472 bulk measurement system for the precise measurement of solid material mass flow on all types of conveyors.