RM-100 is a mixer with adjustable rotation speed and vibration, which is suitable for various tubes. It can provide efficient and mild mixing. so that biological sample in suspension stage. 1.5ml to 50ml test tubes can be assembled arbitrarily. it is suitable for similar applications such as prevention of blood coagulation, latex diagnosis and immunoprecipitation. it is easy to move and carry and can be placed in incubator or bio safety cabinet.