JIS-P8121, ISO-5267-1

This tester is used to evaluate the freeness of pulp. By filtrating a certain amount of test specimen, the operator is to read the amount of discharged test specimen that flew out from the side tube to calculate the Schopper freeness. The down flow of the test specimen will be done by pulling up the circular coned valve upwards.

 

Specimen

Bone-Dried 2 g, Concentration 0.2 %, Solution 1,000 ml

Drainage Chamber

Inner Diameter φ137 mm、H150 mm（Wire Screen to Rim）

Wire Screen

φ112.9 ± 0.1 mm, 100 mesh

Opening φ115 mm, H150 mm, Bottom Orifice φ2.4 mm

Accessories

Measuring Cylinder, Jug