... Lab HK.Major Products: Hotplate,Stirrer,Stirrer Hotplate,Melting Point Device,SamplerConcentration,Block Heater,Vortex Mixer,Cold Keeper,Mixer Incubator, Rocker, Shaker, ... of 16mm and speed range of 30 to 300rpm. These lab scale shakers have powerful shaking but with smooth, quite ... clamps.There are two models for this type of the shaker: Both of them are microprocessor controlled. The digital model ...