From the manufacturer:
IKA® MS 3 Basic Shaker
Compact, universal small shaker suitable for shaking tasks with all small vessels and microtiter plates.
Wide range of attachments
Attachment detection
Continuous or touch operation (with standard attachment)
Stable in all speed ranges
Sturdy zinc die cast casing
Two operating modes:
Mode A (safe mode with attachment detection) the maximum speed of 3000 rpm is only reached with the standard attachment in touch mode. When using other attachments the speed is limited to 1,300 rpm.
Mode B (without attachment detection) a speed of 3000 rpm is possible with all attachments.
Kit contents:shaker MS 3 basic, power supply, standard attachment MS 3.1, universal attachment MS 3.3, one-hand insert MS 1 & operating instructions