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L&W SR Tester

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L&W SR Tester measures the drainage of a pulp suspension, as determined by the Schopper-Riegler method and expressed as the SR number. The Schopper-Riegler method is intended for long fibred pulps that produce a dense fibre mat on the screen.


  • Easy to use:

    – Top and bottom lids of chamber are operated by a light pressure on the release handles

  • Long life time

    – Lightweight non-corrosive drainage chamber

  • Reliable results:

    – Follows international standards

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