2002 Volume 56 Issue 8 Pages 1126-1131
DCW is fully automatic system for the measurement of dirt count characteristics of recycled and chemical pulps. DCW measurement is based on image analysis with a CCD-camera. Dirt is recognized using contrast : a dirts is a darker area in the sample comparing to the surrounding pulp.
DCW is based on PulpExpert dirt detection technology, which has been widely used in PulpExpert Pulp Quality Analyzer's DirtCount Unit, Model, which are devices for measurement of dirt count from pulp sheets.