Agitators are laboratory equipment used to mix or shake substances in tubes or flasks, which is mainly used in the fields of chemistry and biology. An orbital shaker has a circular shaking motion and is suitable for growing microbes and mixing in general.

The shaker is the choice you want to make when working with high-volume substances, or simultaneous shaking is required. Used for low density liquids and solids

The term ‘laboratory stirrers’ includes magnetic, vertical, hand-held and other stirring systems. The automatic systems have at least two components, a propulsion system and a rod. The propulsion system or motor is responsible for transmitting the movement to the rod and this in turn, is the part that transmits the movement of the motor to the middle.

Various rods are available for laboratory stirrers. Only the correct combination between the propulsion system and the rod allows for the optimal development of laboratory stirrers. The rods generate different flows in the middle due to their different construction types and must take into account the different possibilities of the propulsion system. There are rods such as flat-paddle shakers, crescent shakers, propeller shakers, turbine shakers, anchor-type shakers and other forms.

Depending on the medium and process, laboratory stirrers have different functions and possibilities. Initiation laboratory stirrers work with a fixed number of revolutions, which are indicated in r.p.m. (revolutions per minute)

The torque force indication is shown in Ncm (Newton centimeters) and there are laboratory stirrers with fixed and freely adjustable torque. There are also laboratory shakers that record torque variations and indicate such changes to the user.

There are also laboratory agitators with software that can be handled remotely and allow documenting processes. Other criteria of the propulsion system of laboratory agitators are for example space requirements, noise development, safety, reliability and handling.

The main types of stirrers are

Agitators have been substituted for many magnetic purposes, but are still preferentially used in some situations

At Kalstein we offer you innovative stirrers that fit the needs of your laboratory. That’s why we invite you to take a look at our equipment available HERE