Model 840 - Rail Shear Tester

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The Metriguard Model 840 Rail Shear Tester provides two modes of operation, the first simulating traditional 2-rail fixture operation with the load applied diagonally, and a second mode in which the shear stress is applied parallel with the long dimension of the specimen. Touch-screen computer mounts on swing arm above operator station for convenient control and data collection. 

  • Tests panel products in accordance with ASTM D1037 edgewise shear
  • Design allows testing either at an angle as specified in ASTM or parallel to specimen length
  • Eliminates drilling and bolting test specimens
  • PC with touch screen user interface
  • Automated test sequence
  • Designed for efficient and safe operation
  • Appropriate for both research and quality control work

  • Tests panel products in accordance with ASTM D1037 edgewise shear
  • Design allows testing either at an angle as specified in ASTM or parallel to specimen length
  • Eliminates drilling and bolting test
  • specimens
  • PC with touch screen user interface
  • Automated test sequence
  • Designed for efficient and safe operation
  • Appropriate for both research and quality control work
  • Provides shear test for ongoing quality control under ASTM D5055 Standard Specification for Establishing and Monitoring Structural Capacities of Prefabricated Wood I-Ioists.
  • Produces the kind of shear stress that occurs in web members of wood 1 joists in bending load.
  • After a specimen is loaded into the clamp assembly, loading door is locked to prevent operator-access to the clamp area.
  • A hydraulic cylinder applies shear testing force which is measured using a precision load cell.
  • Alignment coupler and linear bearing slides in clamp assemblies reduce wear, provide uniform clamping and increase machine life.
  • Load at which a specimen fails (shears) is recorded into an SQL database accessible by multiple analytic software tools
  • After test is complete, test specimens are dropped out of the jaw assembly into a collection bin and loading door lock is
  • disengaged.

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