LRI-3a Pin-On-Disc Tribometer

  • Computer controlled and monitored.
  • DC servo-motor provides 25 in-lb at up to 300 rpm.
  • Runs rotational or optionally oscillatory tests.
  • Dead weight loading using NIST Class F weights to 1,000 grams.
  • Holds circular discs up to 3.75" diameter or plates up to 3.0" wide.
  • Pins/balls up to 3/4" diameter.
  • Three holder positions and 1" micrometer slide allow test radii from -0.25" to 1.75".
  • Monitors and records speed and friction.
  • Graphing routine allows comparison with previous tests.
  • All data stored in ASCII format for easy use in commercial presentation packages.
  • Optional lubricant chamber.

Technical Data:


For more information, please contact Lewis Research today.

Lewis Research, Inc.

33712 Wescoats Road, Unit #1
Lewes, DE 19958
(302) 644-0881 • FAX (302) 644-0882
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