SDS Kerr 4000 amalgamator is a universal high-speed amalgamator controlled by a micro-processor to ensure a precise and consistent mix is achieved. With the width of the oscillating range, the mixing frequency and selected time, SDS Kerr 4000 provides homogeneity and consistency that is ideal for a wide range of amalgams. For safe operation, the SDS Kerr 4000 deactivates when the front cover is opened to access the capsule.