The “Schopper Riegler” Beating and Freeness Tester is designed to determine the rate of drainage of a dilute pulp suspension and express it in terms of the Schopper-Riegler (SR) value. According to ISO 5267-1

Model B with provision of Pneumatically controlled valve lifting and Plexiglas measuring cylinder for  Schopper Riegler value with standard wire mesh as per SCAN.

Specifications

Pulp Sample consistency:                       0.20%

Pulp Temperature adjusted at:             20 0C ±  0.05 0C

Reproducibility:                                          within 4%.

Pulp Volume:                                               1000 ml.

Graduation on the discharge collecting cylinder:             0SR

(1000 ml corresponds to 0 0SR, 0 ml corresponds to 1000 SR)

Automatic sealing cone lifting arrangement.

Correlation of results with the original Schopper instruments