According to: TAPPI T-227 - ISO 5267/2

For measuring the Canadian Freeness number which is a measure of the drainage capacity of different pulp types. It is a useful index of the amount of mechanical treatment given to the pulp.

Standard equipment  has a bench top stand. Alternatively wall mounted model can be supplied on request.

With standard screen plate and Plexiglas measuring cylinder for CSF value.

Technical Data:

Capacity of the cylinder:       1000 ml above the screen plate.

The Volume in the Bottom: 23.5 ± 0.2ml (adjusted by means of

                                                section of the cone the threaded

                                                plug in the side orifice) Any change

                                                in this volume may affect  the

                                               calibration.

Slope of the main cone:           290 ± 5 min.

Orifices provided in funnel: Two, one at the bottom & other

                                                  on the side.

Distance between the overflow           50.8 mm ± 0.75 mm

lip of the tube (inside the funnel)        Note: This is extremely

and bottom of the funnel section      critical and set precisely

                                                                at the works.

Size of the perforations in the:             0.50 mm diameter.

screen plate