A pipetting apparatus, a liquid handling system and a method of controlling pipetting

A pipetting apparatus (10) comprising a pipette tube (14) having a first end provided with an opening for aspirating and/or dispensing of a sample fluid (12) and a second end operationally connected to a pressure generating means (18), wherein the pipetting apparatus (10) comprises at least one measuring unit (26,28) adapted to determine at least one measurement value of the sample fluid based on said aspirating and/or dispensing of the sample fluid (12) and to provide a sample fluid measurement signal representative thereof to an output of the measuring unit (26,28), said pipetting apparatus (10) further comprises a control circuit (32) operationally coupled to the output of the measuring unit (26,28) and the input of the pressure generating means (18), said control circuit (32) is configured to control said pressure generating means (18) based on the sample fluid measurement signal.