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Micron Viblette™ VBL Wet Sieve Analyzer is a wet sieve particle size analyzer designed to measure materials down to 10 microns. The Viblette is well suited for cohesive or sticky materials that tend to block test sieve screens.

As with dry sieving, a sample is placed on a test sieve screen and weighed before sieving. Liquid is sprayed through rotating shower nozzle above the sample while the intense vibration forces break up material films and de-agglomerates cohesive materials.  A typical sample would range between 50 grams to 200 grams depending on the material.  After performing the wet cycle, the test sieve screen and material sample need to be dried to determine the different in weight from the pre-washed sample to the weight of the sample retained on the screen’s surface.

Using a predefined set of controllable parameters including the test sieve screen mesh, sieving time, water flow rate and vibration frequency will guarantee repeatability and reliability of this particle analysis method.

Features

  • Easy operation and short analysis time
  • Repeatability accurate measurement
  • Electro-magnetic screen vibration eliminates film build up
  • Measures materials from 10 to 4,750 µm
  • Uses standard 200 mm or 8 inch test sieve screens
  • Minimum of 5 liters of liquid per minute
  • Suitable for water or other washing solutions
  • Independent water/solution flow, nozzle speed and vibration controls

Applications

  • Electrostatic materials
  • Carbon Black
  • Precious Metals
  • Mineral Fillers
  • Other Cohesive Materials
  • High Clay Content
  • Agricultural Soil
  • Clay Suspensions
  • Kaolin & Fillers
  • Sediments
  • Contaminated Soils
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