Item # 4340

The Model 4340 AutomaticDensometer & Smoothness Tester measuresthe porosity, air-permeability or airresistance of sheet-like materials. Itcombines the abilities of a low, standardand high pressure tester with a digitaltimer that provides a reading in seconds.

An auto-drive mechanism, enables youto program the number of tests as wellas the span they are tested over.Therefore, a sheet or strip of paper can beanalyzed automatically.

• Porosity and smoothness of paper, textiles,paperboard, films, membranes, filtermedia, packaging, perforated metals andothers.
• Quality control — Air permeability can bea direct representation of the uniformity ofmaterial.
• Analyze effects of treatments such ascoatings, sizing agents, inks, resins orother additives.

• Porosity:
  • Standard Gurley
  • Low Pressure Gurley
  • High Pressure Gurley
  • Sheffield units
  • Bendtsen units
• Smoothness:
  • Standard Gurley smoothness
  • Sheffield units
  • Bendtsen units
  • Bekk units

• Porosity & smoothness tests
• Automatic & manual test modes
• Output in seconds - improves efficiency
• Programmable auto-drive mechanism
• Interchangeable orifices (1.0 sq.in.standard, 0.25 & 0.1 sq.in. optional)
• RS-232 computer output