Reproduces the circular and tapping motions similar to hand-shaking of test sieves

The Ro-Tap® Test Sieve Shaker's uniform, mechanical action ensures dependable and comparable results. Operates with a vertically-mounted, totally enclosed, 187W (¹/₄hp) motor. Equipped with a 99-minute digital clock/timer, accurate to 0.1 seconds.

Recommended for use in testing applications requiring materials 635 mesh (20µm) and larger in size.