STR4 rotator drive unit is used in conjunction with a wide range of drums. It is designed to take different sizes and types of vessels. Its speed of rotation is variable from 6 to 60 rpm for a range of mixing applications. This rotator has a built in analogue timer can be set from 10 to 60 minutes. It has a rotation speed of 6 to 60rpm, with a dimension size of 650 x 250 x 250mm.
The unit is designed to rotate test-tubes in an end-over-end movement. Comprises a square metal drum which can accommodate a choice of plates fitted with tube clips. It has also a drum that accepts 2 x 250ml conical flasks for end over mixing.