Pipetting device for pulsed pipetting of dosing fluids in small dosing volumes of less than 2 μl under the mediation of a pressure-variable working gas, where the pipetting device comprises: - A pipetting duct filled at least in part with working gas, - A pipetting tip which provides an accommodating space filled at least in part with working gas, which is connected with the pipetting duct in a pressure-communicating manner and which is accessible through a pipetting aperture, such that the quantity of dosing fluid accommodated in the accommodating space can be varied by means of varying the pressure of the working gas in the accommodating space through the pipetting aperture, - A pipetting piston accommodated in the pipetting duct moveably along the pipetting duct for varying the pressure of the working gas, - A motion drive for driving the pipetting piston for motion along the pipetting duct, - A control device for actuating the motion drive, - At least one position sensor configured for acquiring the position of the pipetting piston and for outputting to the control device a position signal which indicates the acquired piston position, and - A pressure sensor for acquiring the pressure of the working gas and for outputting to the control device a pressure signal which indicates the pressure of the working gas, Where the control device is configured to actuate the motion drive, for producing - based on a reference pressure in the pipetting duct at which no fluid passes through the pipetting aperture - a pressure pulse in the pipetting duct with a pulse duration of no more than 40 ms on the basis of the pressure signal output by the pressure sensor in such manner that the pressure of the working gas during the pulse follows a specified target working gas pressure pulse course, where the pipetting piston is a magnetic piston with at least one permanent magnet and where the motion drive exhibits electrically energizable coils, where the control device is configured to control the supplying of the coils with electric energy, where the control device controls the supplying of the coils with electric energy as a function of an acquired present state of the supplying of the coils with electric energy, as a function of the position signal, and as a function of the pressure signal, where the control device comprises a cascaded control loop structure, according to whose innermost control loop the control device regulates an electric voltage applied to the coils in accordance with a difference between a target current value and an acquired current value of a current flowing in the coils, where the control device is configured to ascertain the target current value of the current flowing in the coils in an outer control loop in accordance with a difference between a target position value and an actual position value of the pipetting piston indicated by the position signal, where the control device is configured to ascertain the target position value of the pipetting piston in a control loop lying yet further outward in accordance with a difference between a target pressure value and an actual pressure value indicated by the pressure signal of the pressure of the working gas. - A pipetting duct filled at least in part with working gas, - A pipetting tip which provides an accommodating space filled at least in part with working gas, which is connected with the pipetting duct in a pressure-communicating manner and which is accessible through a pipetting aperture, such that the quantity of dosing fluid accommodated in the accommodating space can be varied by means of varying the pressure of the working gas in the accommodating space through the pipetting aperture, - A pipetting piston accommodated in the pipetting duct moveably along the pipetting duct for varying the pressure of the working gas, - A motion drive for driving the pipetting piston for motion along the pipetting duct, - A control device for actuating the motion drive, - At least one position sensor configured for acquiring the position of the pipetting piston and for outputting to the control device a position signal which indicates the acquired piston position, and - A pressure sensor for acquiring the pressure of the working gas and for outputting to the control device a pressure signal which indicates the pressure of the working gas,