HK200 is a light portable device for dry grinding suitable especially for the preparation of samples and reference materials for mobile spectrometers.

HK200W is small desk top grinder for grinding under water. The grinder has a system for a quick exchange of plates of grinding disc of different grain size.

HK210W is a comfortably constructed device with a stepless change of revolutions for grinding under water, with a quick exchange of plates. A wide extent of continously regulated revolutions enables the application of the grinder both for the preparation of the samples for spectrometric analyses and for grinding and polishingin metaliography.