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XHV-15ST Canadian Freeness Tester

Product Description of XHV-15ST Canadian Freeness Tester

XHV-15ST Canadian Freeness Tester is specifically designed to measure the dehydration rate of pulp suspensions, 

evaluating the filtration performance of pulp based on Canadian Standard Free Degree (CSF) values. It is suitable for

 quality control in the paper industry, R&D laboratories, and third-party testing institutions, ensuring standardized and 

consistent pulp production processes.


Test Standards of XHV-15ST Canadian Freeness Tester

ISO 5267-2/ TAPPI T 227


Product Features of XHV-15ST Canadian Freeness Tester

Precise dehydration analysis: Separate fibers and filtrate, quantify dehydration efficiency via calibrating the plate and flow nozzle to separate the fibers and filtrate.

Temperature compensation technology (digital touch screen version): built-in temperature sensor automatically corrects environmental differences to improve data reliability.

Modular design: The stainless steel frame is equipped with lightweight special plastic components, which are both durable and easy to operate.

Multi-scenario adaptation: supports digital measurement to meet different experimental needs.




Technical Parameter of XHV-15ST Canadian Freeness Tester

measuring principle

The suspension is dehydrated through the calibration perforated plate, the filtrate is diverted through the separation funnel, and the excess liquid is discharged through the side tube.

measuring range

Freeness  (CSF): 0-1000 mL (touchscreen digital version displays temperature-adjusted CSF value and CSF value compensation based on pulp test concentration input).

 accuracy

±1 mL

temperature compensation

supports dynamic temperature correction based on ISO/TAPPI standards.

Key structural parameters

Standard adjustment capacity: 1.5±0.2mL

Overflow height: 50.8±0.7mm

Water chamber diameter: 101.6±0.2mm

Water filter chamber height: 127.0±0.2mm

Valve control aperture: 4.8±0.2mm

Separation funnel cone angle: 29.5°±0.5°

data interface

standard thermal printer test results and USB data output (optional).

power requirement

 100-240V wide voltage, 50/60Hz, power consumption <25W.

operational environment

Recommended temperature: 10-40°C, humidity ≤80% RH (non-condensing).

Device material

Shell: 304 stainless steel; Core components: corrosion-resistant special plastic (resistant to chemical solvents, easy to clean).

Size and weight

330×380×1000 mm (length×width×height);

 gross weight including packaging: 60-65kg.


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