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SCHOPPER TESTER Z SCH E Z SCH E
The Schopper–Riegler test determines the rate of drainage of the pulp in a diluted suspension.
It measures the rate of drainage of a diluted pulp suspension. The drainage rate is related to the surface conditions and swelling of the fibers.
INDUSTRIAL SECTORS OF USE
TECHNICAL INFORMATION
- Conical nipple speed : 100 ± 10 mm/s.
- Calibrated lower hole: 149.0 ± 1.0 S for 1litre of H20.
- Drainage chamber volume: 1000 ml.
- Drainage area: 100 cm2.
- Sieve holes: 0.18 mm.
- Pneumatic drive: 2.0 kgf/cm2.
- Measurement scale: 0 - 100ºSR.
- Resolution: 1ºSR.
- Air supply: 2 kgf/cm2.
- Air consumption: 0.1 m3/h.
INDUSTRIES OF APPLICATION
- Paper manufacturers.
OPTIONAL ADDITIONS
- Manual operated model.
- Pneumatic operated model.
- Sieve sizes are optional : 2 %, 2,5%, 3%, 3,5%, 4%, 4,5%, 5%, 5,5%, 6%, 6,5%, 7%, 7,5%, 8%.
APPROXIMATE DIMENSIONS AND WEIGHT
- Width: 300 mm.
- Depth: 470 mm.
- Height: 1440 mm.
- Weight: 25 kg.
TECHNICAL DOCUMENTATION
RELEVANT STANDARDS
- TS EN ISO 5267
- EN ISO 17229
- DIN 53120-2
- ISO 5636-2
- ASTM D726-84
- TS EN ISO 5267-1
ADDITIONAL INFORMATION
The Schopper Tester is an essential device for evaluating the drainage rate of pulp suspensions in the paper manufacturing industry. Designed with a 1000 ml drainage chamber and a 100 cm² drainage area, it offers precise results influenced by fiber surface characteristics and swelling. Featuring a 0 - 100ºSR scale with 1ºSR resolution, this tester ensures detailed measurement of pulp freeness. The 0.18 mm sieve holes and 149.0 ± 1.0 S calibrated lower hole contribute to consistent and repeatable outcomes. Available in both manual and pneumatic drive models, it supports various sieve sizes from 2% to 8%, offering versatility. With compliance to standards such as TS EN ISO 5267, DIN 53120-2, and ASTM D726-84, it is a reliable choice for paper manufacturers seeking standardized and accurate drainage evaluation.
