Five synchronous rotating PVC rollers provide a uniform gyrating surface for small sample bottles, etc. The sample bottles are simultaneously rotated about their longitudinal axis and rocked back and forth along their contact surface.

This device is specially designed for the uniform mixing of research samples (e.g. whole blood) for hematologic determinations and for gentle mixing of other cell suspensions. Additionally, the device prevents probe sedimentation (dispersions) of all kinds, such as colors, paints, oils, cosmetics, etc.
Two models are available: