Air Void (ASTM C457)


Linear Traverse Machine

Humboldt's H-2964A is a computer controlled Linear Traverse Machine for counting microscopic voids in concrete. Meets or exceeds ASTM C457 Specifications. Computer controls traverse patterns and distances based on test sample parameters. Software also provides counting determinations to be made to material type categories. Unit includes:

  • Digital microscopic video camera with integral light source
  • Computer-controlled motorized specimen table with solid-state
  • positioning motors
  • Software
  • Multi-adjustable camera stand

Other equipment you may need:

  • Cut-off saw
  • 12" rotary lapidary machine with a polishing grit— sizes 60/90 through 600
  • computer with Windows 98 or better


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