Tube Roller MixerLD-LTRM-A30is a roller mixer with LED display intended for convenient operation, digital controlling of speed and time with 5 to 35 rpm rotation speed provides specific level of agitation required for a variety of applications. Working disc rotates in the circumferential direction with adjustable speed. It can also be placed in temperature controlled environments, from 5° to 50°C. It is used for the mixing of clinical blood routine and vacuum blood collection tubes.