MOTOR SELECTION FOR ELECTRONIC PIPETTES
When it comes to measuring and dispensing a specific volume of any liquid, pipettes are essential in today's laboratory environment. Different types of pipettes are commonly used depending on the scale of the laboratory and the volume to be dispensed
MANUAL VS. ELECTRONIC PIPETTES
In the example of an air displacement pipette, a piston is either moved up or down inside the pipette, in order to create a negative or positive pressure on the air column. This allows the user to take in or eject the liquid sample with the disposable pipette tip, while the air column in the tip separates the liquid from the non-disposable part of the pipette.
Figure 2: Manual Pipette
Figure 1: Pipettes play an important role in the battle against COVID-19, e.g. in diagnosis
The movement of the piston can be designed to be done manually by the hand of the operator or as an electronic version, where a motor is moving the piston, controlled by the operator through the use of buttons.
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