From vendor website: This coarse sieve shaker works with either 8" diameter or 12" diameter test sieves simply by using the quick-change adapters provided. The RX-812 has a quiet operation and utilizes an effective "action" that gives consistent, accurate results.

  • For test sieve analysis ranging in particle size from 4" opening through 150 micron/100 mesh
  • Equipped with adapters to process both 8" and 12" diameter test sieves
  • Features 99-minute digital timer/clock, accurate to 0.1 seconds
  • 280 oscillations per minute