These  are bench top optical shakers incorporating 12”x12” platform for handling large tube racks, small flasks or reaction trays. The shaker platform rotates in a horizontal plane and allows a wide variety of rotating and mixing applications.  These shakers have a built in 0-15 minutes digital timer

Have a fix speed of 180 RPM and it is useful for sergological, VDRL tests and other tuned clinical diagnostics procedures requiring gentle agitation.